:root {
    --bg-color: #0d1117;
    --text-color: #e6edf3;
    --text-muted: #8b949e;
    --primary-color: #bfa15f;
    /* Gold for premium feel */
    --secondary-color: #58a6ff;
    /* Soft blue for tech feel */
    --accent-color: #d2a8ff;
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(240, 246, 252, 0.1);
    --nav-height: 70px;
    --transition-speed: 0.4s;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: #fff;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #fff 0%, var(--primary-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    font-family: var(--font-heading);
    transition: all var(--transition-speed);
    cursor: pointer;
    font-size: 1rem;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), #d4af37);
    color: #000;
    box-shadow: 0 4px 15px rgba(191, 161, 95, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(191, 161, 95, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 5%;
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 50%, rgba(88, 166, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(191, 161, 95, 0.1) 0%, transparent 40%);
}

.hero h1 {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #a0a0a0);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero .description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* General Layout */
.section {
    padding: 100px 5%;
    min-height: 80vh;
    /* Make sections substantial */
    display: flex;
    align-items: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.container.narrow {
    max-width: 800px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
    /* Hack for quick reversal, reset in children */
}

.content-grid.reverse>* {
    direction: ltr;
}

.text-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.text-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.feature-list {
    margin-bottom: 2rem;
}

.feature-list li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* Image Cards - Real Estate */
.image-gallery {
    display: flex;
    gap: 20px;
}

.image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    flex: 1;
    height: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-speed);
}

.image-card:hover {
    transform: scale(1.03);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-card .caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
    font-family: var(--font-heading);
}

/* Phone Mockup - App */
.phone-mockup {
    border: 12px solid #333;
    border-radius: 40px;
    overflow: hidden;
    height: 500px;
    width: 280px;
    margin: 0 auto;
    background: #000;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* or contain based on screenshot */
}

/* Glass Panels */
.glass-panel {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

/* Contact Card */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.contact-info .role {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.info-row {
    display: flex;
    margin-bottom: 15px;
    align-items: baseline;
}

.info-row .label {
    width: 80px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.info-row .value {
    color: #fff;
}

.map-placeholder {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
}

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

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .glass-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }

    .info-row {
        justify-content: center;
    }

    .info-row .label {
        width: auto;
        margin-right: 15px;
    }

    .image-gallery {
        flex-direction: column;
        height: auto;
    }

    .image-card {
        height: 250px;
    }

    /* Mobile Nav */
    .nav-links.nav-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        right: 0;
        width: 60%;
        height: calc(100vh - var(--nav-height));
        background: rgba(13, 17, 23, 0.95);
        border-left: 1px solid var(--glass-border);
        padding: 50px 0;
        align-items: center;
        transform: translateX(0%);
        transition: transform 0.3s ease-in;
    }

    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px;
        background-color: white;
        transition: all 0.3s ease;
    }
}