/* Ultra-Modern High-Tech Outdoor Design System */
:root {
    --primary: #c6ff00; /* Electric Lime */
    --primary-light: #e4ff54;
    --primary-dark: #82a800;
    --secondary: #00e5ff; /* Cyan */
    --accent: #ff3d00; /* Alert Red/Orange */
    --accent-hover: #dd3600;
    
    --text-dark: #ffffff; /* Flipped for dark mode */
    --text-light: #a3a3a3;
    
    --bg-main: #0a0a0a;
    --bg-alt: #141414;
    --bg-dark: #000000;
    --white: #ffffff; 
    --dark: #000000;
    
    --border: #262626;
    --border-hover: #c6ff00;
    
    /* Shadows & Glows */
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.5);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.7);
    --glow-primary: 0 0 20px rgba(198, 255, 0, 0.4);
    --glow-secondary: 0 0 20px rgba(0, 229, 255, 0.4);
    --glow-accent: 0 0 20px rgba(255, 61, 0, 0.4);
    
    /* Glassmorphism */
    --glass-bg: rgba(10, 10, 10, 0.75);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --radius-sm: 0px; /* Sharp corners for tech vibe */
    --radius-md: 0px;
    --radius-lg: 0px;
    --radius-pill: 0px; 
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-main);
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.1;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Animations (Scroll Reveal) */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-left.active, .reveal-right.active { transform: translateX(0); }

/* Header Glassmorphism */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: var(--glass-border);
    position: fixed;
    top: 0; width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
}
header.scrolled { padding: 0.75rem 0; background: rgba(0,0,0,0.9); }
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.logo svg { color: var(--primary); }

/* Advanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid transparent;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--text-dark);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}
.btn:hover::before { 
    transform: scaleX(1); 
    transform-origin: left;
}
.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: var(--glow-primary);
}
.btn-primary:hover {
    color: var(--bg-dark);
    box-shadow: 0 15px 30px rgba(198, 255, 0, 0.6);
}
.btn-accent {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-accent:hover {
    color: var(--bg-dark);
    border-color: var(--text-dark);
}

/* Dynamic Hero Section */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -2;
    transform: scale(1.1);
    animation: slowZoom 30s ease-in-out infinite alternate;
    filter: grayscale(100%) contrast(1.2) brightness(0.4);
}
@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.6) 50%, transparent 100%);
    z-index: -1;
}
.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}
@media(min-width: 992px) {
    .hero-container { grid-template-columns: 1.2fr 0.8fr; }
}
.hero-content h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    line-height: 1;
}
.hero-content h1 span {
    color: var(--primary);
    text-shadow: var(--glow-primary);
    -webkit-text-fill-color: var(--primary);
    background: none;
}
.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 500px;
    border-left: 2px solid var(--primary);
    padding-left: 1rem;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(198, 255, 0, 0.1);
    color: var(--primary);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--primary);
    box-shadow: var(--glow-primary);
}
.hero-badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 10px var(--primary);
}
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-image-wrapper::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(198,255,0,0.2) 0%, transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}
.hero-bottle {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 40px rgba(0,0,0,0.8));
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Sections General */
section { padding: 8rem 0; position: relative; border-bottom: 1px solid var(--border); }
.section-title {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}
.section-title span {
    color: var(--primary);
}
.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 4rem;
}

/* Problem Section */
.problem-section {
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
}
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.problem-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    padding: 3rem 2.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '01';
    position: absolute;
    top: -20px;
    right: 10px;
    font-size: 8rem;
    font-weight: 800;
    color: rgba(255,255,255,0.03);
    z-index: 0;
    font-family: 'Outfit', sans-serif;
    transition: var(--transition-normal);
}
.problem-card:nth-child(2)::before { content: '02'; }
.problem-card:nth-child(3)::before { content: '03'; }

.problem-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(198, 255, 0, 0.1);
}
.problem-card:hover::before {
    color: rgba(198, 255, 0, 0.05);
}
.problem-icon {
    width: 60px; height: 60px;
    background: rgba(255,255,255,0.05);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
    transition: var(--transition-normal);
}
.problem-card:hover .problem-icon {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: var(--glow-primary);
}
.problem-card h3 {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-dark);
}
.problem-card p {
    position: relative;
    z-index: 1;
    color: var(--text-light);
}

/* How It Works */
.how-it-works { background: var(--bg-main); }
.split-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}
@media(min-width: 992px) {
    .split-layout { grid-template-columns: 1fr 1fr; }
}
.image-stack {
    position: relative;
    height: 600px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.image-stack::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
}
.image-stack img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(100%);
}
.image-stack:hover img { 
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* Overriding index.html inline styles specifically for dark mode */
.how-it-works h2[style] {
    color: var(--text-dark) !important;
}
.how-it-works p[style] {
    color: var(--text-light) !important;
}
.how-it-works li[style] {
    border: 1px solid rgba(255,255,255,0.05);
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    transition: var(--transition-normal);
}
.how-it-works li[style]:hover {
    border-color: var(--primary);
    background: rgba(198,255,0,0.05);
}

/* Enhanced Gallery */
.gallery-section {
    background: var(--bg-alt);
    padding: 8rem 0;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    height: 450px;
    border: 1px solid var(--border);
    background: var(--bg-main);
}
.gallery-item img.bg {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(100%) opacity(0.6);
}
.gallery-item:hover img.bg { 
    transform: scale(1.05); 
    filter: grayscale(0%) opacity(1);
}
.gallery-item.large { grid-column: span 12; height: 600px; }
.gallery-item.medium { grid-column: span 12; }
@media(min-width: 768px) {
    .gallery-item.medium { grid-column: span 6; }
}
.product-overlay {
    position: absolute;
    bottom: 5%;
    right: 5%;
    height: 70%;
    width: auto;
    filter: drop-shadow(0 20px 25px rgba(0,0,0,0.8));
    transition: var(--transition-normal);
    z-index: 2;
}
.gallery-item:hover .product-overlay {
    transform: translateY(-10px) scale(1.05);
    filter: drop-shadow(0 0 20px rgba(198,255,0,0.4));
}
.gallery-caption {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}
.gallery-item:hover .gallery-caption {
    transform: translateY(0);
    opacity: 1;
}
.gallery-caption h3 {
    color: var(--primary) !important;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}
.gallery-caption p {
    color: #ccc !important;
}

/* Call to Action Banner */
.cta-banner {
    margin: 4rem 0;
    padding: 6rem 3rem;
    background: var(--primary);
    text-align: center;
    color: var(--bg-dark);
    position: relative;
    overflow: hidden;
    box-shadow: var(--glow-primary);
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: repeating-linear-gradient(45deg, rgba(0,0,0,0.05) 0, rgba(0,0,0,0.05) 2px, transparent 2px, transparent 8px);
    z-index: 0;
}
.cta-banner h2 {
    position: relative;
    z-index: 1;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    color: var(--bg-dark) !important;
}
.cta-banner p {
    position: relative;
    z-index: 1;
    font-size: 1.2rem; 
    opacity: 0.9; 
    margin-bottom: 2.5rem; 
    max-width: 600px; 
    margin-left: auto; 
    margin-right: auto;
    font-weight: 500;
    color: var(--bg-dark) !important;
}
.cta-banner .btn {
    background: var(--bg-dark) !important;
    color: var(--primary) !important;
    border: none;
}
.cta-banner .btn:hover {
    background: var(--white) !important;
    color: var(--bg-dark) !important;
}

/* FAQ */
.faq-item {
    background: transparent;
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    transition: var(--transition-normal);
    box-shadow: none;
}
.faq-item:hover {
    border-color: rgba(198,255,0,0.5);
}
.faq-question {
    padding: 1.5rem 2rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.02);
}
.faq-question svg {
    transition: transform 0.4s ease;
    stroke: var(--primary);
}
.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    color: var(--text-light);
    background: rgba(0,0,0,0.2);
}
.faq-item.active {
    border-color: var(--primary);
}
.faq-item.active .faq-answer {
    padding: 1.5rem 2rem;
    max-height: 500px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.faq-item.active .faq-question { 
    color: var(--primary); 
    background: rgba(198,255,0,0.05);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: #9ca3af;
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--primary);
    position: relative;
}
footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 1px;
    background: var(--primary);
    box-shadow: var(--glow-primary);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    display: block;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.footer-links h4 {
    color: var(--primary) !important;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}
.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    display: block;
    margin-bottom: 1rem;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}
.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
}
.footer-bottom strong {
    color: var(--primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }