:root {
    --brand-green: #00c853; /* Vibrant Green */
    --brand-dark: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--brand-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000000 100%);
    position: relative;
    padding: 20px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 200, 83, 0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
    z-index: 1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    z-index: 2;
    max-width: 600px;
    width: 100%;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, #00c853 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.5s;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.8s;
}

.cta-btn {
    display: inline-block;
    padding: 16px 48px;
    background: var(--brand-green);
    color: #fff;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 200, 83, 0.3);
    font-size: 1.1rem;
    opacity: 0;
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards 1.2s;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 200, 83, 0.5);
}

/* MOCKUP */
.card-mockup {
    margin-top: 40px;
    width: 100%;
    max-width: 400px;
    opacity: 0;
    animation: float 6s ease-in-out infinite, fadeUp 1s ease forwards 1s;
    perspective: 1000px;
}

.card-mockup img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: rotateX(10deg) rotateY(-10deg);
    transition: transform 0.3s ease;
}

.card-mockup:hover img {
    transform: rotateX(0deg) rotateY(0deg);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* BENEFITS SECTION */
.benefits {
    padding: 80px 20px;
    background: #0a0a0a;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 60px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 24px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-green);
}

.icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-secondary);
}

/* HOW IT WORKS */
.steps {
    padding: 80px 20px;
    background: #111;
    text-align: center;
}

.step-list {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    counter-reset: step;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step-item {
    background: #1a1a1a;
    padding: 20px 30px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.step-item::before {
    counter-increment: step;
    content: counter(step);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    right: 20px;
}

.step-info h4 {
    margin: 0 0 5px;
    font-size: 1.2rem;
}

.step-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* FOOTER CTA */
.footer-cta {
    padding: 100px 20px;
    text-align: center;
    background: radial-gradient(circle at center, #1a2a1a 0%, #000 100%);
}

.footer-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .footer-cta h2 { font-size: 1.8rem; }
}