/* Reset & Base Styles */
:root {
    --primary-color: #d4af37; /* Gold accent */
    --bg-dark: #0a0a0a;
    --bg-dark-alt: #161616;
    --text-light: #f5f5f5;
    --text-dim: #a0a0a0;
    --accent-gradient: linear-gradient(135deg, #d4af37 0%, #f9d976 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

section {
    padding: 100px 0;
}

.bg-dark-alt {
    background-color: var(--bg-dark-alt);
}

/* Navigation */
#main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

#main-nav.scrolled {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

#main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo span {
    color: var(--primary-color);
    font-weight: 300;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../assets/hero-bg.jpg') no-repeat center center/cover;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin: 0 10px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #000;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

.mouse {
    width: 25px;
    height: 45px;
    border: 2px solid var(--text-dim);
    border-radius: 20px;
    margin-bottom: 10px;
    position: relative;
}

.mouse::after {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* Section Common */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-dim);
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Works Section */
.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.work-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.work-img-container {
    position: relative;
    aspect-ratio: 16/9;
}

.work-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.work-item:hover img {
    transform: scale(1.1);
}

.work-item:hover .work-overlay {
    opacity: 1;
}

.work-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.work-overlay p {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--bg-dark-alt);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
    position: relative;
}

.pricing-card.highlight {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.05) 0%, rgba(10, 10, 10, 0) 100%);
}

.card-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: #000;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.pricing-card h3 {
    margin-bottom: 15px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.price span {
    font-size: 1rem;
    color: var(--text-dim);
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-card ul li {
    margin-bottom: 10px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
}

.pricing-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 0.8rem;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.info-list {
    list-style: none;
    margin-top: 30px;
}

.info-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.info-list i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.2rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-light);
    font-family: inherit;
    outline: none;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
}

/* Footer */
footer {
    padding: 50px 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    margin-left: 20px;
}

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

.copyright {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Modals */
#modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    visibility: hidden;
}

.modal {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 800px;
    background: var(--bg-dark-alt);
    border-radius: 20px;
    padding: 40px;
    opacity: 0;
    transition: all 0.3s ease;
    max-height: 80vh;
    overflow-y: auto;
}

#modal-container.active {
    visibility: visible;
    background: rgba(0,0,0,0.8);
}

#modal-container.active .modal.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dim);
}

.modal h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
}

.legal-table th, .legal-table td {
    padding: 15px;
    border-bottom: 1px solid var(--glass-border);
    text-align: left;
}

.legal-table th {
    width: 30%;
    color: var(--text-dim);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .about-content, .contact-wrapper { grid-template-columns: 1fr; }
    .works-grid, .pricing-grid { grid-template-columns: 1fr; }
    
    .nav-links {
        position: fixed;
        right: 0;
        height: 100vh;
        top: 0;
        background: var(--bg-dark-alt);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 70%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        z-index: 999;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }

    .burger div {
        width: 25px;
        height: 3px;
        background-color: var(--text-light);
        margin: 5px;
        transition: all 0.3s ease;
    }

    .footer-content { flex-direction: column; gap: 20px; }
    .footer-links a { margin: 0 10px; }

    /* Burger Animation */
    .toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .toggle .line2 { opacity: 0; }
    .toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }
}

#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-color);
    color: #000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

#back-to-top.active {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    transform: translateY(-5px);
    background: #f9d976;
}