:root {
    --primary: #0056b3;
    --primary-light: #e6f0ff;
    --secondary: #ffffff;
    --accent: #ff0000;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 10px 30px rgba(0, 86, 179, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8faff;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Delivery Strip */
.delivery-strip {
    background-color: var(--accent);
    color: white;
    text-align: center;
    padding: 12px 10px;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-transform: uppercase;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { background-color: #ff0000; }
    50% { background-color: #cc0000; }
    100% { background-color: #ff0000; }
}

/* Hero Section */
.hero {
    background: radial-gradient(circle at top right, var(--primary-light), #ffffff);
    padding: 80px 0 60px;
    text-align: center;
    overflow: hidden;
}

.headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.1;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.sub-headline {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

#pillow-3d-container {
    width: 100%;
    height: 400px;
    margin: 40px 0;
    cursor: grab;
    position: relative;
}

#pillow-3d-container:active {
    cursor: grabbing;
}

.cta-container {
    margin-top: 40px;
}

.btn-large {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 22px 50px;
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 15px 35px rgba(0, 86, 179, 0.3);
    transition: var(--transition);
    animation: bounce 2s infinite;
}

.btn-large:hover {
    transform: translateY(-5px) scale(1.05);
    background-color: #004494;
    box-shadow: 0 20px 45px rgba(0, 86, 179, 0.4);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

.cta-subtext {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
}

/* Benefits */
.benefits {
    padding: 100px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    background-color: var(--primary-light);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 86, 179, 0.05);
}

.benefit-card:hover {
    transform: translateY(-10px);
    background-color: white;
    box-shadow: var(--shadow);
}

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

.benefit-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

/* Copy Section */
.copy-section {
    padding: 80px 0;
    background-color: var(--primary);
    color: white;
}

.copy-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.copy-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.copy-content p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* Checkout Section */
.checkout-section {
    padding: 100px 0;
}

.checkout-card {
    background: white;
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
    max-width: 900px;
    margin: 0 auto;
}

.product-info {
    flex: 1;
    min-width: 350px;
    padding: 40px;
    background-color: #fcfdff;
    border-right: 1px solid #f0f4f8;
}

.product-image {
    width: 100%;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.badge {
    background-color: var(--accent);
    color: white;
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 800;
}

.details h3 {
    font-size: 1.8rem;
    margin: 10px 0;
}

.price {
    margin: 15px 0;
}

.old-price {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-right: 10px;
}

.new-price {
    font-size: 2.2rem;
    color: var(--primary);
    font-weight: 800;
}

.installments {
    color: #4CAF50;
    font-weight: 700;
}

.checkout-form-sim {
    flex: 1;
    min-width: 350px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.shipping-info {
    background-color: #f1f8e9;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.shipping-info p {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: #2e7d32;
}

.btn-checkout {
    background-color: #2e7d32;
    color: white;
    border: none;
    padding: 20px;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-checkout:hover {
    background-color: #1b5e20;
    transform: scale(1.02);
}

.security {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-light);
}

footer {
    padding: 40px 0;
    text-align: center;
    background-color: #f0f4f8;
    color: var(--text-light);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .headline { font-size: 2.2rem; }
    .btn-large { padding: 18px 30px; font-size: 1.1rem; }
    .product-info { border-right: none; border-bottom: 1px solid #eee; }
}