:root {
    --primary: #000000;
    --secondary: #ffffff;
    --accent: #ff4700; /* Vibrant orange / Principia style accent */
    --accent-hover: #e03f00;
    --text-dark: #1a1a1a;
    --text-light: #555555;
    --bg-light: #f9f9f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--secondary);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Header */
.header {
    background: var(--primary);
    color: var(--secondary);
    text-align: center;
    padding: 1rem;
    font-size: 1.5rem;
    letter-spacing: 4px;
    font-weight: 300;
    position: sticky;
    top: 0;
    z-index: 100;
    text-transform: uppercase;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #f7f7f7 0%, #ffffff 100%);
    padding: 3rem 1.5rem;
}

.hero-content {
    max-width: 600px;
    animation: slideUp 0.8s ease-out;
}

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

.badge {
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 1.5rem;
    animation: pulseBadge 2s infinite;
}

@keyframes pulseBadge {
    0% { box-shadow: 0 0 0 0 rgba(255, 71, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 71, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 71, 0, 0); }
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--primary);
}

.price-container {
    margin: 1.5rem 0;
    font-size: 1.5rem;
}

.old-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1.2rem;
    margin-right: 10px;
}

.new-price {
    color: var(--accent);
    font-size: 3.5rem;
    font-weight: 800;
    display: block;
    margin-top: 10px;
}

.description {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Timer */
.timer-container {
    background: var(--primary);
    color: var(--secondary);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.timer-container p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    color: #ffd2c0; /* Subtle orange tint */
}

.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-box span:first-child {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    color: var(--accent);
}

.label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 5px;
    color: #ffffff;
}

.separator {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Button */
.cta-button {
    display: inline-block;
    background: var(--accent);
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 71, 0, 0.3);
    width: 100%;
    text-decoration: none;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 0, 0.4);
}

/* Products Section */
.products {
    padding: 5rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.products h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
    border: 1px solid #eaeaea;
    opacity: 0;
    transform: translateY(20px);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.image-wrapper {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
    background: #fdfdfd;
}

.image-wrapper img {
    height: 90%;
    object-fit: contain;
    transition: transform 0.5s ease;
    mix-blend-mode: multiply; /* Helps with white backgrounds */
}

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

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.product-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.4;
}

.combo-description {
    max-width: 800px;
    margin: 4rem auto 0;
    padding: 2.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid #f0f0f0;
}

.combo-description h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.combo-description p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
    text-align: center;
}

.individual-price {
    font-size: 0.95rem !important;
    color: var(--accent) !important;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.individual-price s {
    color: #999;
    font-weight: 400;
    text-decoration-color: #999;
    text-decoration-thickness: 1.5px;
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 1.5rem;
    background: var(--primary); /* Dark futuristic background */
    color: var(--secondary);
    text-align: center;
}

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

.benefits-container h2 {
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 800;
    color: var(--secondary);
}

.benefits-container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 15px auto 0;
    box-shadow: 0 0 10px rgba(255, 71, 0, 0.6);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.03); 
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #eaeaea;
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    gap: 15px;
    opacity: 0;
    transform: translateY(20px);
}

.benefit-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.benefit-item::before {
    content: "✓";
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 800;
    text-shadow: 0 0 10px rgba(255, 71, 0, 0.5); /* Neon glow */
}

.benefit-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 71, 0, 0.6);
    background: rgba(255, 71, 0, 0.05);
}

/* Checkout Section */
.checkout-section {
    padding: 5rem 1.5rem;
    background: linear-gradient(135deg, #f0f0f0 0%, #ffffff 100%);
    text-align: center;
    border-top: 1px solid #eaeaea;
}

.checkout-content {
    max-width: 600px;
    margin: 0 auto;
    background: var(--secondary);
    padding: 3rem 2rem;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
}

.checkout-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary);
    font-weight: 800;
}

.checkout-image {
    width: 100%;
    margin: 0 auto 2rem;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
}

.checkout-image img {
    width: 100%;
    height: auto;
    display: block;
    mix-blend-mode: multiply;
}

.checkout-price {
    margin-bottom: 2.5rem;
}

.checkout-price p {
    color: var(--text-light);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.checkout-price h3 {
    font-size: 4rem;
    color: var(--accent);
    line-height: 1;
    margin-top: 10px;
    font-weight: 800;
}

.header-banner {
    max-width: 100%;
    height: auto;
    max-height: 80px; 
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

/* Floating CTA for Mobile */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-top: 1px solid #eee;
    z-index: 99;
    display: none;
    box-shadow: 0 -5px 15px rgba(0,0,0,0.05);
}

.cta-button.pulse {
    animation: pulseBtn 2s infinite;
}

@keyframes pulseBtn {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

footer {
    text-align: center;
    padding: 2rem;
    background: var(--primary);
    color: var(--text-light);
    font-size: 0.8rem;
    margin-bottom: 0px; 
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .new-price {
        font-size: 3rem;
    }

    .time-box span:first-child {
        font-size: 3rem;
    }

    .floating-cta {
        display: block;
    }

    footer {
        margin-bottom: 80px; /* Space for floating CTA */
    }

    .products {
        padding-top: 2rem;
    }
}