:root {
    --black: #0a0a0a;
    --near-black: #1a1a1a;
    --charcoal: #2a2a2a;
    --steel: #4a4a4a;
    --light-steel: #8a8a8a;
    --silver: #c4c4c4;
    --bitcoin-orange: #f7931a;
    --bitcoin-orange-dim: #d17715;
    --white: #ffffff;
    --off-white: #f5f5f5;
    
    /* Gradient combinations */
    --gradient-orange-silver: linear-gradient(135deg, #f7931a 0%, #c4c4c4 100%);
    --gradient-orange-steel: linear-gradient(135deg, #f7931a 0%, #8a8a8a 100%);
    --gradient-silver-orange: linear-gradient(135deg, #c4c4c4 0%, #f7931a 100%);
    --gradient-orange-glow: radial-gradient(circle, rgba(247, 147, 26, 0.2) 0%, transparent 70%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--off-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--silver);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--bitcoin-orange);
}

.cta-button {
    background: transparent;
    color: var(--bitcoin-orange);
    padding: 12px 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.4s ease;
    border: 2px solid var(--bitcoin-orange);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--bitcoin-orange);
    transition: left 0.4s ease;
    z-index: -1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.4);
}

.cta-button span {
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(247, 147, 26, 0.05) 0%, transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 1s ease-out 0.3s forwards;
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 20px;
    color: var(--white);
    line-height: 0.9;
}

.hero-content .tagline {
    font-size: 1.5rem;
    color: var(--bitcoin-orange);
    margin-bottom: 30px;
    font-weight: 500;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--silver);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 550px;
}

.hero-image {
    position: relative;
    opacity: 0;
    transform: translateX(50px) scale(0.95);
    animation: slideInRight 1s ease-out 0.5s forwards;
}

.hero-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
    transition: transform 0.6s ease-out;
}

/* Parallax and scroll effects */
.parallax {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger animation delays for grid items */
.feature-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }

/* Features Section */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--black) 0%, var(--near-black) 100%);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 80px;
    color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--bitcoin-orange);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-left-color: var(--bitcoin-orange);
    background: rgba(247, 147, 26, 0.05);
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--white);
}

.feature-card p {
    color: var(--light-steel);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Product Section */
.product {
    padding: 120px 0;
    background: var(--near-black);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
    margin-bottom: 100px;
}

.product-grid:nth-child(even) {
    direction: rtl;
}

.product-grid:nth-child(even) > * {
    direction: ltr;
}

.product-image img {
    width: 100%;
    height: auto;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-content h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--white);
}

.product-content p {
    font-size: 1.05rem;
    color: var(--silver);
    line-height: 1.9;
    margin-bottom: 20px;
}

/* Specs Section */
.specs {
    padding: 120px 0;
    background: var(--black);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.spec-item {
    padding: 40px;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border-left: 3px solid var(--bitcoin-orange);
}

.spec-label {
    font-size: 0.85rem;
    color: var(--bitcoin-orange);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
    font-weight: 600;
}

.spec-value {
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
    margin-bottom: 10px;
}

.spec-description {
    color: var(--light-steel);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 120px 0;
    background: var(--black);
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 3rem;
    margin-bottom: 40px;
    color: var(--white);
}

.about-content p {
    font-size: 1.2rem;
    color: var(--silver);
    line-height: 1.9;
    margin-bottom: 25px;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--near-black) 0%, var(--black) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 3.5rem;
    margin-bottom: 30px;
    color: var(--white);
}

.cta-section p {
    font-size: 1.3rem;
    color: var(--silver);
    margin-bottom: 50px;
}

.price {
    font-size: 2.5rem;
    color: var(--bitcoin-orange);
    font-weight: 700;
    margin-bottom: 15px;
}

.price-note {
    font-size: 0.9rem;
    color: var(--light-steel);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--black);
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-about p {
    color: var(--light-steel);
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--silver);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 2.2;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--bitcoin-orange);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--light-steel);
    font-size: 0.9rem;
}

/* Keyframe Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-section h2 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}