/* Porcelain Blue & White Style - Split Screen Layout */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --p-blue: #0A2A73; /* Deep Porcelain Blue */
    --p-blue-light: #1E4EAD;
    --p-white: #FDFDFD;
    --p-bg: #F4F7FC; /* Very light blue tint */
    --p-accent: #0055FF;
    --text-dark: #111827;
    --text-muted: #6B7280;
    
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Outfit', sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Split Screen Skeleton --- */
.split-layout {
    display: flex;
    min-height: 100vh;
}

/* Left Pane: Fixed Hero */
.hero-pane {
    width: 40%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: var(--p-blue);
    color: var(--p-white);
    display: flex;
    flex-direction: column;
    padding: 60px;
    z-index: 100;
    overflow: hidden;
}

/* Porcelain Pattern Background */
.hero-pane::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background-image: 
        radial-gradient(circle at center, transparent 30%, rgba(255,255,255,0.03) 31%, rgba(255,255,255,0.03) 35%, transparent 36%),
        radial-gradient(circle at center, transparent 50%, rgba(255,255,255,0.02) 51%, rgba(255,255,255,0.02) 55%, transparent 56%);
    background-size: 100px 100px;
    transform: rotate(45deg);
    z-index: 0;
    pointer-events: none;
}

.hero-pane-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.brand-logo {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: auto; /* Pushes everything else down */
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo::before {
    content: '';
    width: 24px; height: 24px;
    background: var(--p-white);
    border-radius: 50% 0 50% 50%;
    display: inline-block;
}

.hero-text-wrap {
    margin-bottom: auto;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-title span {
    color: #8AB4F8; /* Light blue accent */
    display: block;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.btn-primary {
    background: var(--p-white);
    color: var(--p-blue);
    padding: 18px 30px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 18px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--p-white);
}
.btn-primary:hover {
    background: transparent;
    color: var(--p-white);
}

.btn-secondary {
    background: transparent;
    color: var(--p-white);
    padding: 18px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 18px;
    text-align: center;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s;
}
.btn-secondary:hover {
    border-color: var(--p-white);
    background: rgba(255,255,255,0.1);
}

.trust-seals {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.trust-seal {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 5px;
}
.trust-seal::before {
    content: '✦';
    color: #8AB4F8;
}

/* Right Pane: Scrollable Content */
.content-pane {
    width: 60%;
    margin-left: 40%;
    background: var(--p-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Navigation in Right Pane */
.top-nav {
    position: sticky;
    top: 0;
    background: rgba(244, 247, 252, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 90;
    border-bottom: 1px solid rgba(10, 42, 115, 0.05);
}
.nav-links {
    display: flex;
    gap: 30px;
}
.nav-links a {
    font-weight: 600;
    color: var(--p-blue);
    font-size: 15px;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0; width: 0; height: 2px;
    background: var(--p-blue);
    transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}
.nav-tools {
    display: flex;
    align-items: center;
    gap: 20px;
}
.lang-switch {
    font-weight: 600;
    color: var(--p-blue);
    cursor: pointer;
}
.btn-nav-dl {
    background: var(--p-blue);
    color: var(--p-white);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.3s;
}
.btn-nav-dl:hover {
    background: var(--p-blue-light);
}

/* Section Common */
.section-pad {
    padding: 80px 60px;
}
.sec-title {
    font-family: var(--font-serif);
    font-size: 36px;
    color: var(--p-blue);
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    gap: 15px;
}
.sec-title::before {
    content: '';
    width: 40px; height: 2px;
    background: var(--p-blue);
}

/* Metrics - Porcelain Saucers */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.metric-saucer {
    background: var(--p-white);
    border-radius: 50% 50% 50% 10px;
    padding: 40px;
    text-align: center;
    box-shadow: 10px 10px 30px rgba(10, 42, 115, 0.05);
    border: 1px solid rgba(10, 42, 115, 0.05);
    position: relative;
    overflow: hidden;
}
.metric-saucer::before {
    content: '';
    position: absolute;
    top: 5px; left: 5px; right: 5px; bottom: 5px;
    border: 1px dashed rgba(10, 42, 115, 0.2);
    border-radius: 50% 50% 50% 10px;
}
.m-val {
    font-family: var(--font-serif);
    font-size: 42px;
    color: var(--p-blue);
    font-weight: 900;
    margin-bottom: 5px;
}
.m-lbl {
    font-size: 15px;
    color: var(--text-muted);
}

/* Features - Vine Timeline */
.vine-features {
    position: relative;
    padding-left: 40px;
}
.vine-features::before {
    content: '';
    position: absolute;
    top: 0; left: 15px; width: 2px; height: 100%;
    background: linear-gradient(to bottom, var(--p-blue), rgba(10, 42, 115, 0.1));
}
.vine-item {
    position: relative;
    margin-bottom: 60px;
    background: var(--p-white);
    padding: 40px;
    border-radius: 0 30px 30px 30px;
    box-shadow: 5px 5px 20px rgba(0,0,0,0.03);
}
.vine-item::before {
    content: '';
    position: absolute;
    top: 40px; left: -40px; width: 30px; height: 2px;
    background: var(--p-blue);
}
.vine-item::after {
    content: '';
    position: absolute;
    top: 35px; left: -46px; width: 12px; height: 12px;
    background: var(--p-white);
    border: 2px solid var(--p-blue);
    border-radius: 50%;
}
.vine-icon {
    font-size: 32px;
    color: var(--p-blue);
    margin-bottom: 20px;
}
.vine-item h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--p-blue);
    margin-bottom: 15px;
}
.vine-item p {
    color: var(--text-muted);
    margin-bottom: 20px;
}
.vine-list {
    list-style: none;
}
.vine-list li {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.vine-list li::before {
    content: '✿';
    color: var(--p-blue-light);
    font-size: 12px;
}

/* Nodes - Circular Map */
.nodes-circle-wrap {
    display: flex;
    justify-content: center;
}
.nodes-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--p-white);
    box-shadow: inset 0 0 50px rgba(10, 42, 115, 0.05), 0 20px 40px rgba(0,0,0,0.05);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 10px solid var(--p-bg);
}
.nodes-circle::before {
    content: '';
    position: absolute;
    top: 20px; left: 20px; right: 20px; bottom: 20px;
    border: 1px solid rgba(10, 42, 115, 0.1);
    border-radius: 50%;
}
.center-node {
    text-align: center;
    z-index: 2;
}
.center-node h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--p-blue);
}
.center-node p {
    font-size: 14px;
    color: var(--text-muted);
}
.orbit-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}
.orbit-dot {
    width: 12px; height: 12px;
    background: var(--p-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--p-blue);
}
.orbit-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--p-blue);
    background: var(--p-white);
    padding: 2px 8px;
    border-radius: 10px;
}
.on-1 { top: 15%; left: 20%; }
.on-2 { top: 20%; right: 15%; }
.on-3 { bottom: 25%; left: 10%; }
.on-4 { bottom: 15%; right: 25%; }
.on-5 { top: 50%; right: 5%; }

/* Reviews - Shard Cards */
.reviews-grid {
    display: grid;
    gap: 30px;
}
.shard-card {
    background: var(--p-white);
    padding: 40px;
    border-radius: 40px 0 40px 0;
    box-shadow: 5px 5px 20px rgba(10, 42, 115, 0.05);
    border-left: 4px solid var(--p-blue);
}
.s-stars {
    color: var(--p-blue);
    font-size: 18px;
    margin-bottom: 15px;
    letter-spacing: 2px;
}
.s-text {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-style: italic;
}
.s-user {
    display: flex;
    align-items: center;
    gap: 15px;
}
.s-avatar {
    width: 40px; height: 40px;
    background: var(--p-blue-light);
    color: var(--p-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-weight: bold;
}
.s-info h4 {
    font-size: 15px;
    color: var(--p-blue);
}

/* Pricing - Horizontal Bars */
.pricing-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.price-bar {
    background: var(--p-white);
    border-radius: 15px;
    padding: 30px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border: 1px solid transparent;
    transition: all 0.3s;
}
.price-bar:hover {
    border-color: var(--p-blue-light);
    transform: translateX(10px);
}
.price-bar.pro {
    background: var(--p-blue);
    color: var(--p-white);
}
.pb-info {
    flex: 1;
}
.pb-title {
    font-family: var(--font-serif);
    font-size: 24px;
    margin-bottom: 5px;
}
.pb-desc {
    font-size: 14px;
    color: var(--text-muted);
}
.price-bar.pro .pb-desc { color: rgba(255,255,255,0.8); }
.pb-cost {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 900;
    margin: 0 40px;
    text-align: right;
}
.pb-cost span {
    font-size: 16px;
    font-family: var(--font-sans);
    font-weight: 400;
}
.pb-action {
    width: 150px;
}
.btn-bar {
    display: block;
    text-align: center;
    padding: 12px 0;
    border-radius: 20px;
    font-weight: 600;
    font-size: 15px;
}
.btn-bar-outline {
    border: 2px solid var(--p-blue);
    color: var(--p-blue);
}
.btn-bar-outline:hover {
    background: var(--p-blue);
    color: var(--p-white);
}
.btn-bar-solid {
    background: var(--p-white);
    color: var(--p-blue);
}
.btn-bar-solid:hover {
    background: #e0e0e0;
}

/* FAQ - Accordion */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.faq-item {
    background: var(--p-white);
    border-radius: 10px;
    padding: 25px 30px;
    border-left: 3px solid transparent;
    transition: border-color 0.3s;
}
.faq-item:hover {
    border-left-color: var(--p-blue);
}
.q-title {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--p-blue);
    margin-bottom: 10px;
    font-weight: 700;
}
.q-ans {
    font-size: 15px;
    color: var(--text-muted);
}

/* Footer in Right Pane */
.pane-footer {
    background: var(--p-blue);
    color: var(--p-white);
    padding: 60px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}
.f-col h4 {
    font-family: var(--font-serif);
    font-size: 18px;
    margin-bottom: 20px;
    color: #8AB4F8;
}
.f-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
    font-size: 14px;
    transition: color 0.3s;
}
.f-col a:hover {
    color: var(--p-white);
}
.f-copy {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    text-align: center;
}

/* Subpages */
.sub-header {
    background: var(--p-white);
    padding: 80px 60px;
    border-bottom: 1px solid rgba(10, 42, 115, 0.05);
}
.sub-title {
    font-family: var(--font-serif);
    font-size: 48px;
    color: var(--p-blue);
    margin-bottom: 15px;
}
.sub-desc {
    font-size: 18px;
    color: var(--text-muted);
}

.dl-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.dl-row {
    background: var(--p-white);
    border-radius: 15px;
    padding: 30px 40px;
    display: flex;
    align-items: center;
    gap: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.dl-icon {
    font-size: 40px;
    color: var(--p-blue);
}
.dl-info {
    flex: 1;
}
.dl-info h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--p-blue);
    margin-bottom: 5px;
}
.dl-info p {
    font-size: 14px;
    color: var(--text-muted);
}

.help-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}
.help-nav {
    position: sticky;
    top: 100px;
    background: var(--p-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.help-nav a {
    display: block;
    padding: 12px 0;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid rgba(10, 42, 115, 0.05);
}
.help-nav a:hover, .help-nav a.active {
    color: var(--p-blue);
    padding-left: 10px;
}
.help-content-area {
    background: var(--p-white);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.help-content-area h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--p-blue);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(10, 42, 115, 0.05);
}
.help-content-area h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin: 30px 0 15px;
}
.help-content-area p, .help-content-area li {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 15px;
}
.help-content-area ul {
    padding-left: 20px;
}

/* Responsive */
@media (max-width: 1200px) {
    .hero-pane { width: 35%; padding: 40px; }
    .content-pane { width: 65%; margin-left: 35%; }
    .hero-title { font-size: 42px; }
    .price-bar { flex-direction: column; text-align: center; gap: 20px; }
    .pb-cost { margin: 20px 0; text-align: center; }
}

@media (max-width: 992px) {
    .split-layout { flex-direction: column; }
    .hero-pane { 
        width: 100%; 
        height: auto; 
        position: relative; 
        padding: 60px 40px; 
        min-height: 60vh;
    }
    .content-pane { 
        width: 100%; 
        margin-left: 0; 
    }
    .top-nav { padding: 20px 40px; }
    .section-pad { padding: 60px 40px; }
    .help-grid { grid-template-columns: 1fr; }
    .help-nav { position: static; display: flex; flex-wrap: wrap; gap: 15px; padding: 20px; }
    .help-nav a { border: none; padding: 5px 15px; background: var(--p-bg); border-radius: 20px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .metrics-grid { grid-template-columns: 1fr; }
    .nodes-circle { width: 300px; height: 300px; }
    .footer-grid { grid-template-columns: 1fr; }
    .dl-row { flex-direction: column; text-align: center; }
}