* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Serif JP', serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0a14;
    letter-spacing: 0.03em;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 25px 0;
    z-index: 1000;
    transition: all 0.4s ease;
}

header.scrolled {
    background-color: rgba(10, 10, 20, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    padding: 15px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.15em;
    transition: all 0.3s ease;
    font-family: 'Noto Serif JP', serif;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 40px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 0;
    background-color: #e0a80d;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

section {
    min-height: 100vh;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

/* Subtle texture overlay for all sections */
section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* Hero Section */
#hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease;
}

.hero-bg.active {
    opacity: 1;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 10, 20, 0.7), rgba(10, 10, 20, 0.9));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.5s forwards 0.5s;
}

.hero-title {
    font-size: 72px;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 0.2em;
    font-family: 'Noto Serif JP', serif;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 50px;
    letter-spacing: 0.1em;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: transparent;
    color: #fff;
    text-decoration: none;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid #e0a80d;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    font-size: 14px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #e0a80d;
    transition: all 0.4s ease;
    z-index: -1;
}

.btn:hover {
    color: #0a0a14;
}

.btn:hover::before {
    left: 0;
}

/* Products Section */
#products-1, #products-2 {
    background-color: #0f0f1a;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 80px;
    position: relative;
    letter-spacing: 0.2em;
    color: #fff;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background-color: #e0a80d;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 40px;
    padding: 20px 0;
}

.product-card {
    background-color: #0a0a14;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition-delay: calc(var(--delay) * 0.1s);
}

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

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(224, 168, 13, 0.1) 0%, rgba(10, 10, 20, 0.1) 100%);
    z-index: 1;
    opacity: 0;
    transition: all 0.5s ease;
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.product-card:hover::before {
    opacity: 1;
}

.product-img {
    width: 100%;
    height: 280px;
    background-color: #161625;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: all 0.5s ease;
    position: relative;
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-info {
    padding: 30px;
    position: relative;
    z-index: 2;
}

.product-title {
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 15px;
    color: #fff;
    letter-spacing: 0.05em;
}

.product-price {
    font-size: 20px;
    font-weight: 300;
    color: #e0a80d;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.product-desc {
    font-size: 14px;
    color: #a0a0a0;
    margin-bottom: 25px;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.product-btn {
    display: inline-block;
    padding: 8px 20px;
    background-color: transparent;
    color: #e0a80d;
    text-decoration: none;
    font-weight: 400;
    border: 1px solid #e0a80d;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.product-btn:hover {
    background-color: #e0a80d;
    color: #0a0a14;
}

/* Contact Section */
#contact {
    background-color: #0a0a14;
    position: relative;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(224, 168, 13, 0.3), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 80px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-info {
    margin-bottom: 40px;
}

.contact-info h3 {
    font-size: 22px;
    font-weight: 300;
    margin-bottom: 25px;
    color: #fff;
    letter-spacing: 0.1em;
    position: relative;
    display: inline-block;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 30px;
    height: 1px;
    background-color: #e0a80d;
}

.contact-info p {
    margin-bottom: 15px;
    color: #a0a0a0;
    font-size: 15px;
    letter-spacing: 0.05em;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 300;
    color: #e0e0e0;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    border-bottom: 1px solid rgba(224, 168, 13, 0.3);
    color: #e0e0e0;
    font-size: 15px;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    background-color: rgba(255, 255, 255, 0.08);
    border-bottom-color: #e0a80d;
    outline: none;
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form button {
    padding: 15px 40px;
    background-color: transparent;
    color: #e0a80d;
    border: 1px solid #e0a80d;
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #e0a80d;
    transition: all 0.4s ease;
    z-index: -1;
}

.contact-form button:hover {
    color: #0a0a14;
}

.contact-form button:hover::before {
    left: 0;
}

/* Footer */
footer {
    background-color: #080812;
    color: #a0a0a0;
    padding: 60px 0 40px;
    text-align: center;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(224, 168, 13, 0.3), transparent);
}

footer p {
    margin-bottom: 15px;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.footer-links a {
    color: #a0a0a0;
    margin: 0 20px;
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #e0a80d;
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    nav ul {
        display: none;
    }

    .section-title {
        font-size: 28px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}