:root {
    --primary-color: #0A2E1B; /* Deep Green */
    --accent-color: #D4AF37; /* Gold */
    --accent-light: rgba(10, 46, 27, 0.08);
    --text-color: #0d1a12;
    --text-muted: #5c6b61;
    --white: #ffffff;
    --bg-base: #f2f6f4; /* Sage Green Base */
    --container-width: 1100px;
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-medium: 0 30px 60px rgba(10, 46, 27, 0.12);
}

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    background-color: var(--bg-base);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Layers */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/Gemini_Generated_Image_kxmv3vkxmv3vkxmv.png');
    background-size: cover;
    background-position: center;
    filter: blur(60px) saturate(1.5);
    opacity: 0.25;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 0% 0%, rgba(212, 175, 55, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 100% 0%, rgba(10, 46, 27, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.4) 0%, transparent 70%),
        linear-gradient(135deg, rgba(242, 246, 244, 0.2) 0%, rgba(220, 235, 225, 0.4) 100%);
    z-index: -1;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

/* Header */
.header {
    padding: 3rem 0;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.6rem;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -1px;
}

/* Hero Section */
.hero {
    padding: 6rem 0 8rem;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    background: var(--primary-color);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 100px;
    margin-bottom: 3.5rem;
    box-shadow: 0 10px 20px rgba(10, 46, 27, 0.15);
}

.hero h1 {
    font-size: clamp(3.2rem, 10vw, 5.5rem);
    margin-bottom: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 span.highlight {
    color: var(--accent-color);
    background: linear-gradient(transparent 70%, rgba(212, 175, 55, 0.1) 30%);
}

.subtitle {
    font-size: clamp(1.2rem, 3.5vw, 1.6rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 4.5rem;
    font-weight: 500;
}

/* Forms */
.form-container {
    max-width: 560px;
    margin: 0 auto;
}

.waitlist-form {
    display: flex;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.8rem;
    border-radius: 24px;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white);
}

.waitlist-form input {
    flex: 1;
    border: none;
    padding: 1.3rem 2rem;
    font-size: 1.1rem;
    border-radius: 18px;
    outline: none;
    font-family: inherit;
    background: transparent;
}

.btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1.3rem 2.8rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 18px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 15px 30px rgba(10, 46, 27, 0.2);
}

.btn:hover {
    background-color: #0d3d24;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 20px 40px rgba(10, 46, 27, 0.3);
}

.form-reassurance {
    margin-top: 1.8rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Features Section */
.features {
    padding: 10rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.6);
    padding: 6rem 4rem;
    border-radius: 40px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px);
}

.feature-card .icon {
    font-size: 3.5rem;
    margin-bottom: 2.5rem;
    display: inline-block;
}

/* Teaser Section */
.teaser {
    padding: 6rem 0 10rem;
}

.teaser-content {
    display: flex;
    align-items: center;
    gap: 6rem;
}

.teaser-text {
    flex: 1;
}

.teaser-image {
    flex: 1.2;
    position: relative;
}

.img-responsive {
    max-width: 100%;
    border-radius: 40px;
    box-shadow: 0 60px 120px rgba(10, 46, 27, 0.15);
}

/* Final CTA Section */
.cta {
    padding: 0 0 10rem;
    text-align: center;
}

.cta-box {
    background: var(--primary-color);
    padding: 8rem 4rem;
    border-radius: 56px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    box-shadow: 0 50px 100px rgba(10, 46, 27, 0.4);
}

.cta-box h2 {
    color: var(--white);
    margin-bottom: 2rem;
}

.cta-box p {
    color: var(--white);
    opacity: 0.85;
    margin-bottom: 4rem;
}

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

.nav-right {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1002; /* Ensure it stays above mobile nav background */
}

#lang-switcher {
    background: white;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

#lang-switcher:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Hamburger Menu */
.hamburger-menu {
    display: block;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    margin-left: 1rem;
    z-index: 1002;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--primary-color);
    transition: all 0.3s ease-in-out;
}

.hamburger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding-top: 100px;
    text-align: center;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav ul li {
    padding: 1.5rem 0;
}

.mobile-nav ul li a {
    color: var(--primary-color);
    font-weight: 900;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    text-decoration: none;
}

/* Footer */
.footer {
    padding: 8rem 0;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.5;
}

.social a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
}

/* Success Message */
.success-message {
    padding: 4rem 2.5rem;
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-medium);
}

/* Responsive */
@media (max-width: 992px) {
    .teaser-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .waitlist-form {
        flex-direction: column;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }
    .waitlist-form input {
        background: var(--white);
        margin-bottom: 1rem;
        width: 100%;
        border-radius: 18px;
    }
    .btn {
        width: 100%;
    }
    .footer .container {
        flex-direction: column;
        gap: 2rem;
    }
}