/* Neumorphism Soft Light Interface Style - Bento Grid Layout */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;600;800&display=swap');

:root {
    --neu-bg: #e0e5ec;
    --neu-text: #4a5568;
    --neu-text-light: #a0aec0;
    --neu-accent: #7b61ff;
    --neu-shadow-dark: rgba(163, 177, 198, 0.6);
    --neu-shadow-light: rgba(255, 255, 255, 0.8);
    --font-main: 'Nunito', sans-serif;
}

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

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

h1, h2, h3, h4 { font-weight: 800; color: var(--neu-text); margin-bottom: 15px; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; border-radius: 20px; }

/* Neumorphic Utilities */
.neu-out {
    background: var(--neu-bg);
    border-radius: 30px;
    box-shadow: 9px 9px 16px var(--neu-shadow-dark), -9px -9px 16px var(--neu-shadow-light);
}
.neu-in {
    background: var(--neu-bg);
    border-radius: 30px;
    box-shadow: inset 6px 6px 10px 0 var(--neu-shadow-dark), inset -6px -6px 10px 0 var(--neu-shadow-light);
}
.neu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    background: var(--neu-bg);
    color: var(--neu-accent);
    font-weight: 800;
    box-shadow: 6px 6px 10px var(--neu-shadow-dark), -6px -6px 10px var(--neu-shadow-light);
    transition: 0.2s ease-in-out;
    cursor: pointer;
    border: none;
}
.neu-btn:hover {
    color: var(--neu-accent);
}
.neu-btn:active, .neu-btn.active {
    box-shadow: inset 4px 4px 8px var(--neu-shadow-dark), inset -4px -4px 8px var(--neu-shadow-light);
}
.neu-btn.primary {
    color: #fff;
    background: var(--neu-accent);
    box-shadow: 6px 6px 10px var(--neu-shadow-dark), -6px -6px 10px var(--neu-shadow-light);
}
.neu-btn.primary:active {
    box-shadow: inset 4px 4px 8px rgba(0,0,0,0.2), inset -4px -4px 8px rgba(255,255,255,0.2);
}

/* Layout: Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 120px auto 60px;
    padding: 0 20px;
}

/* 1. Navigation (Fixed Pill) */
.neu-nav {
    position: fixed;
    top: 30px; left: 50%; transform: translateX(-50%);
    width: 90%; max-width: 1200px;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    border-radius: 50px;
}
.nav-brand { font-size: 1.5rem; font-weight: 800; color: var(--neu-accent); }
.nav-links { display: flex; gap: 30px; font-weight: 600; }
.nav-links a:hover { color: var(--neu-accent); }
.nav-actions { display: flex; align-items: center; gap: 20px; }
.lang-switch { font-weight: 600; color: var(--neu-text-light); }

/* 2. Hero Section */
.hero-text {
    grid-column: span 8;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hero-text h1 { font-size: 4rem; line-height: 1.2; margin-bottom: 20px; }
.hero-text p { font-size: 1.2rem; color: var(--neu-text-light); margin-bottom: 40px; max-width: 600px; }
.hero-actions { display: flex; gap: 20px; margin-bottom: 40px; }
.trust-badges { display: flex; gap: 20px; font-weight: 600; color: var(--neu-text-light); font-size: 0.9rem; }
.trust-badges span::before { content: '•'; color: var(--neu-accent); margin-right: 5px; font-size: 1.2rem; vertical-align: middle; }

.hero-visual {
    grid-column: span 4;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; border-radius: 20px; }

/* 3. Metrics */
.metrics-container {
    grid-column: span 12;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.metric-card {
    padding: 30px;
    text-align: center;
}
.metric-val { font-size: 2.5rem; font-weight: 800; color: var(--neu-accent); margin-bottom: 5px; }
.metric-lbl { font-weight: 600; color: var(--neu-text-light); text-transform: uppercase; letter-spacing: 1px; font-size: 0.85rem; }

/* 4. Features */
.feature-card {
    grid-column: span 4;
    padding: 40px;
    display: flex;
    flex-direction: column;
}
.feat-img-container {
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 20px;
}
.feature-card h3 { font-size: 1.5rem; }
.feature-card p { color: var(--neu-text-light); }

/* 5. Nodes Map */
.nodes-card {
    grid-column: span 7;
    padding: 50px;
}
.nodes-card h2 { font-size: 2rem; margin-bottom: 30px; }
.node-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.node-pill {
    padding: 15px 25px;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}
.node-pill .ping { color: var(--neu-accent); }

/* 6. Reviews */
.reviews-card {
    grid-column: span 5;
    padding: 50px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.reviews-card h2 { font-size: 2rem; margin-bottom: 10px; }
.review-item {
    padding: 25px;
    border-radius: 20px;
}
.rev-stars { color: #fbbf24; margin-bottom: 10px; letter-spacing: 2px; }
.rev-text { font-style: italic; color: var(--neu-text-light); margin-bottom: 15px; font-size: 0.95rem; }
.rev-user { font-weight: 800; font-size: 0.9rem; }

/* 7. Pricing */
.price-card {
    grid-column: span 4;
    padding: 50px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
}
.price-card.recommended {
    position: relative;
}
.price-card.recommended::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -15px; left: 50%; transform: translateX(-50%);
    background: var(--neu-accent);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    box-shadow: 3px 3px 6px var(--neu-shadow-dark);
}
.price-name { font-size: 1.2rem; color: var(--neu-text-light); margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }
.price-val { font-size: 3.5rem; font-weight: 800; color: var(--neu-accent); margin-bottom: 30px; line-height: 1; }
.price-val span { font-size: 1rem; color: var(--neu-text-light); }
.price-specs { list-style: none; text-align: left; margin-bottom: 40px; flex: 1; }
.price-specs li { padding: 12px 0; border-bottom: 1px solid rgba(163,177,198,0.2); font-weight: 600; color: var(--neu-text-light); }
.price-specs li::before { content: '✓'; color: var(--neu-accent); margin-right: 10px; font-weight: 800; }

/* 8. FAQ & Footer */
.faq-card {
    grid-column: span 8;
    padding: 50px;
}
.faq-card h2 { font-size: 2rem; margin-bottom: 30px; }
.faq-item { margin-bottom: 30px; }
.faq-q { font-size: 1.1rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.faq-q::before { content: 'Q'; display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--neu-bg); box-shadow: 3px 3px 6px var(--neu-shadow-dark), -3px -3px 6px var(--neu-shadow-light); color: var(--neu-accent); font-size: 0.8rem; }
.faq-a { color: var(--neu-text-light); padding-left: 40px; }

.footer-card {
    grid-column: span 4;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.foot-brand { font-size: 1.8rem; font-weight: 800; color: var(--neu-accent); margin-bottom: 20px; }
.foot-links { display: flex; flex-direction: column; gap: 15px; font-weight: 600; color: var(--neu-text-light); }
.foot-links a:hover { color: var(--neu-accent); }
.copyright { font-size: 0.85rem; color: var(--neu-text-light); margin-top: 30px; }

/* Subpages */
.sub-hero { grid-column: span 12; padding: 80px; text-align: center; }
.sub-hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.sub-hero p { font-size: 1.2rem; color: var(--neu-text-light); }
.dl-card { grid-column: span 3; padding: 40px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.dl-icon { font-size: 3rem; margin-bottom: 20px; }
.dl-card h3 { margin-bottom: 10px; }
.dl-card p { color: var(--neu-text-light); margin-bottom: 30px; font-size: 0.9rem; }
.help-nav-card { grid-column: span 3; padding: 40px; }
.help-nav { display: flex; flex-direction: column; gap: 20px; }
.help-nav a { padding: 15px 20px; border-radius: 15px; font-weight: 600; text-align: center; }
.help-content-card { grid-column: span 9; padding: 60px; }
.help-section { margin-bottom: 50px; }
.help-section h3 { font-size: 1.8rem; color: var(--neu-accent); margin-bottom: 20px; }
.help-section h4 { font-size: 1.2rem; margin-top: 30px; margin-bottom: 15px; }
.help-section p, .help-section li { color: var(--neu-text-light); margin-bottom: 15px; }
.help-section ul { padding-left: 20px; }

/* Responsive */
@media (max-width: 1200px) {
    .feature-card { grid-column: span 6; }
    .nodes-card, .reviews-card { grid-column: span 12; }
    .price-card { grid-column: span 6; }
    .faq-card, .footer-card { grid-column: span 12; }
    .dl-card { grid-column: span 6; }
}
@media (max-width: 992px) {
    .hero-text { grid-column: span 12; text-align: center; padding: 40px 20px; }
    .hero-actions { justify-content: center; }
    .trust-badges { justify-content: center; }
    .hero-visual { grid-column: span 12; }
    .metrics-container { grid-template-columns: repeat(2, 1fr); }
    .help-nav-card, .help-content-card { grid-column: span 12; }
    .help-nav { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 768px) {
    .neu-nav { flex-direction: column; gap: 20px; padding: 20px; border-radius: 30px; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .bento-grid { margin-top: 180px; }
    .hero-text h1 { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    .trust-badges { flex-direction: column; gap: 10px; }
    .feature-card, .price-card, .dl-card { grid-column: span 12; }
    .node-grid { grid-template-columns: 1fr; }
}