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

:root {
    --primary-dark: #1a1a1a;
    --primary-light: #f8f7f4;
    --accent-warm: #d4a574;
    --accent-earth: #8b7355;
    --text-primary: #2d2d2d;
    --text-secondary: #666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--primary-light);
    overflow-x: hidden;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 5%;
    background: rgba(248, 247, 244, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
    padding: 1rem 5%;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.logo {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--primary-dark);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 5% 4rem;
    background: linear-gradient(135deg, #f8f7f4 0%, #ede9e1 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-40px, 40px); }
}

.hero-content {
    max-width: 850px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 300;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    color: var(--primary-dark);
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.4s ease;
    border: 2px solid var(--primary-dark);
    font-weight: 500;
}

.cta-button:hover {
    background: var(--accent-warm);
    border-color: var(--accent-warm);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Featured Product Section */
.featured-product {
    padding: 6rem 5%;
    background: white;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1300px;
    margin: 0 auto;
    align-items: center;
}

/* Carousel Styles */
.carousel-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%;
    background: #e8e6e1;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.carousel-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-dark);
    opacity: 0;
    font-weight: 300;
}

.carousel-wrapper:hover .carousel-arrow {
    opacity: 1;
}

.carousel-arrow:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-arrow.prev { left: 15px; }
.carousel-arrow.next { right: 15px; }

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.3);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Product Content */
.product-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--primary-dark);
}

.product-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
}

/* Configure Section */
.configure {
    padding: 6rem 5%;
    background: var(--primary-light);
}

.configure-container {
    max-width: 900px;
    margin: 0 auto;
}

.configure-form {
    background: white;
    padding: 3rem;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.configure-form h2 {
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

.configure-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.9rem;
}

.form-group select,
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1.5px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-warm);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8'%3E%3Cpath fill='%23666' d='M0 0l7 8 7-8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    padding-right: 2.5rem;
}

.checkbox-group {
    margin-bottom: 1.2rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.7rem;
    cursor: pointer;
    accent-color: var(--accent-warm);
}

.price-estimate {
    background: linear-gradient(135deg, #f8f7f4 0%, #ede9e1 100%);
    padding: 1.8rem;
    border-radius: 4px;
    margin: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--accent-warm);
}

.estimate-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.estimate-price {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.submit-button {
    width: 100%;
    padding: 1.1rem;
    background: var(--primary-dark);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.submit-button:hover {
    background: var(--accent-warm);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.submit-button:active {
    transform: translateY(0);
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.85rem;
}

.form-success {
    text-align: center;
    padding: 3rem;
    display: none;
}

.form-success.show {
    display: block;
}

.form-success h3 {
    font-size: 1.8rem;
    color: var(--accent-warm);
    margin-bottom: 1rem;
    font-weight: 400;
}

.form-success p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Process Section */
.process {
    padding: 6rem 5%;
    background: var(--primary-dark);
    color: white;
    text-align: center;
}

.process h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 300;
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.process-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.step {
    padding: 2rem;
}

.step-number {
    width: 55px;
    height: 55px;
    margin: 0 auto 1.3rem;
    background: var(--accent-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 400;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.step p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Details Section */
.details {
    padding: 6rem 5%;
    background: white;
}

.details-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.detail-card {
    background: var(--primary-light);
    padding: 2.5rem;
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
}

.detail-card h3 {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    color: var(--primary-dark);
}

.detail-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: 6rem 5%;
    background: var(--accent-earth);
    color: white;
    text-align: center;
}

.contact h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.contact p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.contact-button {
    display: inline-block;
    padding: 1.1rem 3rem;
    background: white;
    color: var(--accent-earth);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

/* Footer */
footer {
    padding: 2.5rem 5%;
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 968px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .configure-form {
        padding: 2rem;
    }

    .hero {
        padding: 6rem 5% 3rem;
    }
}

@media (max-width: 640px) {
    .configure-form {
        padding: 1.5rem;
    }

    .configure-form h2 {
        font-size: 1.8rem;
    }

    .price-estimate {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
}