/* Ambient Diffuse Light Style & Split-Screen Sticky Layout */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Plus+Jakarta+Sans:wght@400;600;800&display=swap');

:root {
    --ambient-base: #f4f7fb;
    --ambient-text: #1e293b;
    --ambient-muted: #64748b;
    --ambient-panel: rgba(255, 255, 255, 0.65);
    --ambient-border: rgba(255, 255, 255, 0.9);
    --light-1: #ffb1cc; /* Soft Pink */
    --light-2: #a1c4fd; /* Soft Blue */
    --light-3: #c2e9fb; /* Soft Cyan */
    --light-4: #e2d1c3; /* Soft Purple */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--ambient-base);
    color: var(--ambient-text);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
}

/* 1. Ambient Background (The Diffuse Light Effect) */
.ambient-canvas {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.diffuse-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.8;
    animation: drift 25s infinite ease-in-out alternate;
}
.orb-tl { width: 60vw; height: 60vw; background: var(--light-1); top: -20vw; left: -20vw; }
.orb-br { width: 70vw; height: 70vw; background: var(--light-2); bottom: -30vw; right: -10vw; animation-delay: -5s; }
.orb-c { width: 50vw; height: 50vw; background: var(--light-3); top: 20vh; left: 25vw; animation-delay: -10s; }
.orb-tr { width: 40vw; height: 40vw; background: var(--light-4); top: -10vw; right: 10vw; animation-delay: -15s; }

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(5%, 10%) scale(1.1); }
    100% { transform: translate(-5%, -5%) scale(0.9); }
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 800; color: #0f172a; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; border-radius: 20px; }

/* Base Panel Style */
.frosted-panel {
    background: var(--ambient-panel);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--ambient-border);
    border-radius: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

/* Buttons */
.btn-pill {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    color: var(--ambient-text);
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.btn-pill:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); background: #fff; }
.btn-pill.primary {
    background: #0f172a;
    color: #fff;
    border: none;
}
.btn-pill.primary:hover { background: #1e293b; box-shadow: 0 10px 30px rgba(15, 23, 42, 0.2); }

/* 2. Navigation */
.top-nav {
    position: fixed; top: 0; left: 0; width: 100%;
    padding: 20px 40px;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 100;
    transition: background 0.3s;
}
.top-nav.scrolled { background: rgba(255,255,255,0.8); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.5); }
.brand-logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.nav-menu { display: flex; gap: 40px; background: rgba(255,255,255,0.5); padding: 10px 30px; border-radius: 50px; backdrop-filter: blur(10px); }
.nav-menu a { font-weight: 600; color: var(--ambient-muted); }
.nav-menu a:hover, .nav-menu a.active { color: var(--ambient-text); }
.nav-tools { display: flex; gap: 15px; align-items: center; }

/* 3. Main Layout Structure */
.page-wrapper {
    max-width: 1600px;
    margin: 0 auto;
    padding: 140px 40px 60px;
}

/* 4. Hero Section */
.hero-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 100px;
    padding: 60px 0;
}
.hero-title { font-size: 5.5rem; line-height: 1.1; margin-bottom: 24px; letter-spacing: -2px; }
.hero-subtitle { font-size: 1.4rem; color: var(--ambient-muted); max-width: 800px; margin-bottom: 40px; }
.hero-cta { display: flex; gap: 20px; margin-bottom: 50px; }
.trust-bar { display: inline-flex; gap: 30px; padding: 15px 40px; border-radius: 50px; background: rgba(255,255,255,0.4); font-size: 0.95rem; font-weight: 600; }
.trust-bar span { display: flex; align-items: center; gap: 8px; }
.trust-bar span::before { content: ''; display: inline-block; width: 8px; height: 8px; background: #10b981; border-radius: 50%; }

/* 5. Split-Screen Sticky Layout (Metrics + Features) */
.split-view {
    display: flex;
    gap: 60px;
    margin-bottom: 120px;
    align-items: flex-start;
}
.sticky-aside {
    position: sticky;
    top: 120px;
    width: 350px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.metric-box { padding: 30px; text-align: left; }
.metric-box h4 { font-size: 3rem; margin-bottom: 5px; color: #0f172a; }
.metric-box p { color: var(--ambient-muted); font-weight: 600; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; }

.scroll-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.feature-row { display: flex; gap: 40px; padding: 40px; align-items: center; }
.feature-row:nth-child(even) { flex-direction: row-reverse; }
.feat-img { flex: 1; }
.feat-img img { box-shadow: 0 20px 50px rgba(0,0,0,0.08); }
.feat-text { flex: 1; padding: 20px; }
.feat-text h3 { font-size: 2.2rem; margin-bottom: 20px; }
.feat-text p { font-size: 1.1rem; color: var(--ambient-muted); }

/* 6. Concentric Nodes Map */
.nodes-concentric {
    margin-bottom: 120px;
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.nodes-concentric h2 { font-size: 3rem; margin-bottom: 60px; position: relative; z-index: 2; }
.rings-container {
    position: relative;
    width: 600px; height: 600px;
    margin: 0 auto;
    display: flex; justify-content: center; align-items: center;
}
.ring {
    position: absolute;
    border: 1px dashed rgba(15, 23, 42, 0.1);
    border-radius: 50%;
}
.ring-1 { width: 200px; height: 200px; }
.ring-2 { width: 400px; height: 400px; }
.ring-3 { width: 600px; height: 600px; }
.node-point {
    position: absolute;
    background: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    font-weight: 600;
    display: flex; flex-direction: column;
    transform: translate(-50%, -50%);
}
.node-point span.bw { font-size: 0.8rem; color: #10b981; }
/* Positioning nodes on rings */
.n-tyo { top: 10%; left: 50%; }
.n-sgp { top: 50%; left: 90%; }
.n-nyc { top: 80%; left: 20%; }
.n-lon { top: 50%; left: 10%; }
.n-hkg { top: 20%; left: 80%; }

/* 7. Reviews */
.reviews-section { margin-bottom: 120px; }
.reviews-section h2 { text-align: center; font-size: 3rem; margin-bottom: 50px; }
.review-cards { display: flex; gap: 30px; }
.rev-card { flex: 1; padding: 40px; display: flex; flex-direction: column; justify-content: space-between; }
.rev-stars { color: #f59e0b; font-size: 1.2rem; margin-bottom: 20px; letter-spacing: 2px; }
.rev-content { font-size: 1.1rem; margin-bottom: 30px; line-height: 1.8; }
.rev-author { display: flex; align-items: center; gap: 15px; }
.author-avatar { width: 50px; height: 50px; background: var(--ambient-muted); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; }

/* 8. Pricing (Horizontal Scroll/Staggered) */
.pricing-section { margin-bottom: 120px; text-align: center; }
.pricing-section h2 { font-size: 3rem; margin-bottom: 60px; }
.price-layout { display: flex; justify-content: center; align-items: center; gap: 30px; }
.price-tier { width: 350px; padding: 50px 40px; text-align: left; transition: 0.3s; }
.price-tier.recommended { transform: scale(1.05); background: #fff; border: 2px solid #0f172a; z-index: 2; }
.tier-name { font-size: 1.2rem; font-weight: 800; color: var(--ambient-muted); margin-bottom: 15px; }
.tier-price { font-size: 4rem; font-weight: 800; color: #0f172a; margin-bottom: 30px; line-height: 1; }
.tier-price span { font-size: 1.2rem; font-weight: 600; color: var(--ambient-muted); }
.tier-features { list-style: none; margin-bottom: 40px; }
.tier-features li { padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05); display: flex; align-items: center; gap: 10px; }
.tier-features li::before { content: '✓'; color: #10b981; font-weight: 800; }

/* 9. FAQ & Footer */
.faq-section { max-width: 900px; margin: 0 auto 100px; }
.faq-section h2 { font-size: 3rem; text-align: center; margin-bottom: 50px; }
.faq-block { background: #fff; border-radius: 20px; padding: 30px; margin-bottom: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.02); }
.faq-q { font-size: 1.2rem; font-weight: 800; margin-bottom: 10px; }
.faq-a { color: var(--ambient-muted); }

.site-footer { padding: 60px 40px; text-align: center; border-top: 1px solid rgba(15, 23, 42, 0.1); }
.footer-links { display: flex; justify-content: center; gap: 30px; margin-bottom: 30px; }
.footer-links a { font-weight: 600; color: var(--ambient-muted); }

/* Subpages */
.sub-header { text-align: center; padding: 100px 0 60px; }
.sub-header h1 { font-size: 4rem; margin-bottom: 20px; }
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; max-width: 1000px; margin: 0 auto; }
.dl-item { padding: 40px; display: flex; align-items: center; gap: 30px; }
.dl-icon { font-size: 4rem; }
.dl-info h3 { font-size: 1.8rem; margin-bottom: 10px; }
.dl-info p { color: var(--ambient-muted); margin-bottom: 20px; }

.help-container { max-width: 1000px; margin: 0 auto; }
.help-article { padding: 60px; margin-bottom: 40px; }
.help-article h3 { font-size: 2rem; margin-bottom: 30px; color: #0f172a; }
.help-article h4 { font-size: 1.3rem; margin-top: 40px; margin-bottom: 15px; }
.help-article p, .help-article ul { color: var(--ambient-muted); margin-bottom: 20px; }
.help-article ul { padding-left: 20px; }

/* Responsive */
@media (max-width: 1200px) {
    .split-view { flex-direction: column; }
    .sticky-aside { position: static; width: 100%; flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .metric-box { flex: 1; min-width: 200px; text-align: center; }
    .feature-row, .feature-row:nth-child(even) { flex-direction: column; text-align: center; }
    .price-layout { flex-direction: column; }
    .price-tier { width: 100%; max-width: 500px; }
    .price-tier.recommended { transform: none; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 3.5rem; }
    .nav-menu { display: none; } /* Mobile menu hidden for simplicity in static template */
    .trust-bar { flex-direction: column; gap: 15px; }
    .review-cards { flex-direction: column; }
    .rings-container { width: 100%; height: 400px; }
    .ring-3 { display: none; }
    .dl-grid { grid-template-columns: 1fr; }
    .dl-item { flex-direction: column; text-align: center; }
}
