/* Reset & Variables */
:root {
    --bg-dark: #070614;
    --bg-darker: #040309;
    --text-light: #f3f4f6;
    --text-muted: #9ca3af;
    
    /* Harmonious HSL tailormade colors */
    --primary: hsl(265, 85%, 65%);
    --primary-glow: hsla(265, 85%, 65%, 0.15);
    --secondary: hsl(190, 90%, 50%);
    --secondary-glow: hsla(190, 90%, 50%, 0.15);
    --accent: hsl(340, 85%, 60%);
    
    --card-bg: rgba(20, 18, 43, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Background Glow Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    opacity: 0.35;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--primary) 0%, rgba(0,0,0,0) 70%);
}

.orb-2 {
    top: 40%;
    right: -10%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--secondary) 0%, rgba(0,0,0,0) 70%);
}

.orb-3 {
    bottom: -10%;
    left: 20%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent) 0%, rgba(0,0,0,0) 70%);
}

/* Typography override */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.items-center {
    align-items: center;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), hsl(265, 85%, 55%));
    color: #fff;
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(124, 58, 237, 0.45);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-light);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
    border-color: var(--secondary);
    box-shadow: 0 0 20px var(--secondary-glow);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.1rem;
}

.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(7, 6, 20, 0.7);
    border-bottom: 1px solid var(--card-border);
    padding: 1.25rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 5rem 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
}

@media (min-width: 480px) {
    .hero-actions {
        flex-direction: row;
    }
}

/* Section Templates */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 1rem;
}

.text-left {
    text-align: left;
}

.section-subtitle {
    color: var(--text-muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.section-text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.dark-section {
    background: var(--bg-darker);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

/* Feature Cards */
.card {
    padding: 2.5rem;
}

.card-icon-container {
    display: inline-flex;
    padding: 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
}

.card-icon {
    width: 2rem;
    height: 2rem;
}

.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-accent { color: var(--accent) !important; }

.card-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Kizuna NI Focus */
.badge {
    display: inline-flex;
    padding: 0.35rem 1rem;
    background: rgba(124, 58, 237, 0.12);
    border: 1px solid hsla(265, 85%, 65%, 0.25);
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    color: hsl(265, 85%, 75%);
    margin-bottom: 1.5rem;
}

.ni-list {
    list-style: none;
}

.ni-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--text-muted);
}

.ni-list strong {
    color: var(--text-light);
}

.list-check {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

/* Ni Interactive Preview Mockup */
.ni-preview-card {
    padding: 2rem;
    border-color: rgba(124, 58, 237, 0.25);
    box-shadow: 0 25px 50px rgba(124, 58, 237, 0.1);
}

.ni-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.ni-preview-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--text-light);
    font-size: 0.95rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--secondary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.ni-preview-score {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--secondary);
    font-size: 0.95rem;
}

.ni-preview-body h4 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.ni-preview-genre {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.ni-preview-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 1rem;
}

.ni-preview-reason {
    font-style: italic;
    color: #e5e7eb;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-card-container {
    max-width: 480px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: 3rem 2.5rem;
    border-color: rgba(124, 58, 237, 0.3);
    text-align: center;
}

.pricing-card.popular {
    box-shadow: 0 30px 60px rgba(124, 58, 237, 0.15);
}

.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    padding: 0.35rem 1.25rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.price-period {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Download Section */
.download-section {
    padding-top: 2rem;
}

.download-container {
    padding: 4rem 2rem;
    text-align: center;
    border-color: rgba(6, 182, 212, 0.2);
    box-shadow: 0 35px 70px rgba(6, 182, 212, 0.06);
    max-width: 900px;
    margin: 0 auto;
}

.download-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.download-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 640px) {
    .download-actions {
        flex-direction: row;
    }
}

/* Footer */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 3rem 0;
    background: var(--bg-darker);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
    }
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
}