:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-primary: #fdec01;
    /* Brand Yellow from logo */
    --accent-secondary: #888888;
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --section-padding: 100px 20px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.8;
    overflow-x: hidden;
    letter-spacing: 0.05em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

li {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

section {
    padding: var(--section-padding);
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 40px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    letter-spacing: 0.1em;
    border-radius: 4px;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-color);
}

.btn-primary:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(253, 236, 1, 0.3);
}

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

.btn-outline:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-color);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.logo span {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
    font-size: 0.9rem;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content p {
    font-size: 1rem;
    margin-bottom: 10px;
    letter-spacing: 0.3em;
    color: var(--accent-primary);
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 10px;
    line-height: 1;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.6;
    font-weight: 200;
    letter-spacing: 0.2em;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.visual-blob {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(253, 236, 1, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -1;
}

/* --- Mobile / Responsive Helpers --- */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only {
        display: block;
    }
}

/* Philosophy / Story */
.philosophy {
    background: #080808;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.story-block {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.story-text {
    font-size: 1.1rem;
    line-height: 2.2;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.story-highlight {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 60px;
    line-height: 1.6;
}

.signature {
    margin-top: 60px;
    text-align: right;
    font-style: italic;
}

.signature .name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.osaka-badge {
    display: inline-block;
    margin-bottom: 30px;
    padding: 8px 20px;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
}

/* Services / Products */
.section-title {
    font-size: 2rem;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    padding: 60px 40px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--accent-primary);
    background: rgba(253, 236, 1, 0.02);
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

/* Instagram Section */
.instagram-section {
    text-align: center;
}

.insta-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.insta-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.insta-link:hover {
    color: var(--accent-primary);
}

/* Footer */
footer {
    padding: 80px 0;
    text-align: center;
    background: #000;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

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

/* Responsive */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 20px;
    }

    /* Fixed Hero Scale */
    .hero-content h1 {
        font-size: 3.2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 40px auto 0;
    }

    .hero-btns .btn {
        width: 100%;
        padding: 12px 20px;
        text-align: center;
    }

    /* Mobile Navigation Drawer */
    .mobile-menu-toggle {
        display: block;
        position: relative;
        z-index: 10001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        height: -webkit-fill-available;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 10000;
        padding: 40px;
        margin: 0;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .nav-links.active {
        right: 0;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links li:not(:last-child) {
        display: block;
        /* Ensure they are visible in the drawer */
    }

    .nav-links a {
        font-size: 1.5rem;
        font-weight: 700;
        display: block;
        padding: 10px;
    }

    /* Story Section Mobile */
    .story-highlight {
        font-size: 1.4rem;
        margin-bottom: 40px;
    }

    .story-text {
        font-size: 1rem;
        line-height: 2;
        text-align: left;
    }

    .insta-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .insta-link {
        width: 100%;
        max-width: 100%;
        padding: 30px !important;
    }
}