/* Borderless Immersive Interface Style */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;700;800&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --bg-color: #030305;
    --text-primary: #ffffff;
    --text-secondary: #8a8d98;
    --accent-color: #4f46e5; /* Indigo */
    --accent-glow: rgba(79, 70, 229, 0.4);
    --font-sans: 'Manrope', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.1;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container-fluid {
    width: 100%;
    padding: 0 5vw;
}
.container-narrow {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons (Borderless, text-based or glowing pills) */
.btn-immersive {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 100px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}
.btn-immersive:hover {
    border-color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}
.btn-immersive.primary {
    background: var(--accent-color);
    border: none;
    box-shadow: 0 0 30px var(--accent-glow);
}
.btn-immersive.primary:hover {
    background: #4338ca;
    box-shadow: 0 0 50px var(--accent-glow);
    transform: scale(1.02);
}

/* 1. Navigation (Floating, no background) */
.immersive-nav {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 30px 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: padding 0.3s, background 0.3s;
}
.immersive-nav.scrolled {
    padding: 15px 5vw;
    background: rgba(3, 3, 5, 0.9);
    backdrop-filter: blur(10px);
}
.nav-brand {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}
.nav-links {
    display: flex;
    gap: 40px;
}
.nav-links a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* 2. Hero Section (Full viewport, immersive image) */
.hero-immersive {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2;
}
.hero-bg img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.4;
    transform: scale(1.05);
    animation: slowZoom 20s linear infinite alternate;
}
@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-color) 100%);
    z-index: -1;
}
.hero-content {
    max-width: 1200px;
    padding: 0 20px;
    z-index: 1;
}
.hero-title {
    font-size: 7vw;
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: 20px;
    letter-spacing: -2px;
}
.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 50px;
    font-weight: 300;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}
.trust-text {
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.trust-text span {
    display: flex;
    align-items: center;
    gap: 10px;
}
.trust-text span::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

/* 3. Metrics (Giant Typography, no boxes) */
.metrics-immersive {
    padding: 150px 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}
.metric-item {
    flex: 1;
    min-width: 200px;
}
.metric-val {
    font-size: 6rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
    background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.metric-lbl {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 4. Features (Full bleed alternating rows) */
.features-immersive {
    padding: 100px 0;
}
.feature-row {
    display: flex;
    align-items: center;
    min-height: 80vh;
}
.feature-row:nth-child(even) {
    flex-direction: row-reverse;
}
.feat-visual {
    flex: 1;
    height: 100%;
    position: relative;
}
.feat-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
}
.feature-row:nth-child(even) .feat-visual img {
    mask-image: linear-gradient(to left, transparent, black 20%, black 80%, transparent);
    -webkit-mask-image: linear-gradient(to left, transparent, black 20%, black 80%, transparent);
}
.feat-content {
    flex: 1;
    padding: 0 8vw;
}
.feat-content h2 {
    font-size: 4rem;
    margin-bottom: 30px;
    font-family: var(--font-serif);
    font-style: italic;
}
.feat-content p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* 5. Nodes (Marquee Text) */
.nodes-marquee {
    padding: 150px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}
.nodes-marquee::before, .nodes-marquee::after {
    content: '';
    position: absolute;
    top: 0; width: 200px; height: 100%;
    z-index: 2;
}
.nodes-marquee::before { left: 0; background: linear-gradient(to right, var(--bg-color), transparent); }
.nodes-marquee::after { right: 0; background: linear-gradient(to left, var(--bg-color), transparent); }

.marquee-content {
    display: inline-block;
    animation: marquee 30s linear infinite;
}
.marquee-content span {
    font-size: 5rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255,255,255,0.2);
    margin-right: 50px;
    text-transform: uppercase;
}
.marquee-content span.highlight {
    color: var(--text-primary);
    -webkit-text-stroke: 0;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 6. Reviews (Large Quotes) */
.reviews-immersive {
    padding: 150px 5vw;
}
.reviews-immersive h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 100px;
}
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 100px;
    max-width: 1000px;
    margin: 0 auto;
}
.review-item {
    position: relative;
}
.review-item::before {
    content: '"';
    position: absolute;
    top: -50px; left: -50px;
    font-size: 10rem;
    font-family: var(--font-serif);
    color: rgba(255,255,255,0.05);
    line-height: 1;
}
.rev-text {
    font-size: 2rem;
    font-weight: 300;
    line-height: 1.4;
    margin-bottom: 30px;
}
.rev-author {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
}
.rev-author::before {
    content: '';
    width: 40px; height: 2px;
    background: var(--accent-color);
}

/* 7. Pricing (Horizontal Stripes) */
.pricing-immersive {
    padding: 150px 0;
}
.pricing-immersive h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 100px;
}
.price-stripe {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 5vw;
    border-top: 1px solid rgba(255,255,255,0.1);
    transition: background 0.3s;
}
.price-stripe:last-child {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.price-stripe:hover {
    background: rgba(255,255,255,0.02);
}
.price-stripe.recommended {
    background: rgba(79, 70, 229, 0.05);
}
.price-info {
    flex: 1;
}
.p-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.p-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}
.price-features {
    flex: 2;
    display: flex;
    gap: 30px;
    color: var(--text-secondary);
}
.price-features span::before {
    content: '✓';
    color: var(--accent-color);
    margin-right: 10px;
}
.price-cost {
    flex: 1;
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 20px;
}
.p-val {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
}
.p-val small {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* 8. FAQ & Footer */
.faq-immersive {
    padding: 150px 5vw;
    max-width: 1200px;
    margin: 0 auto;
}
.faq-immersive h2 {
    font-size: 3rem;
    margin-bottom: 80px;
}
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 40px 0;
}
.faq-q {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.faq-a {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 300;
    max-width: 800px;
}

.footer-immersive {
    padding: 100px 5vw 50px;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
}
.footer-logo {
    font-size: 2.5rem;
    font-weight: 800;
}
.footer-links {
    display: flex;
    gap: 40px;
}
.footer-links a {
    color: var(--text-secondary);
    font-weight: 600;
}
.footer-links a:hover {
    color: var(--text-primary);
}
.footer-copy {
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
}

/* Subpages */
.sub-hero {
    padding: 200px 5vw 100px;
    text-align: center;
}
.sub-hero h1 {
    font-size: 5rem;
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: 20px;
}
.sub-hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.dl-list {
    max-width: 1000px;
    margin: 0 auto 150px;
}
.dl-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.dl-info {
    display: flex;
    align-items: center;
    gap: 40px;
}
.dl-icon {
    font-size: 4rem;
    opacity: 0.5;
}
.dl-text h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}
.dl-text p {
    color: var(--text-secondary);
}

.help-container {
    max-width: 1000px;
    margin: 0 auto 150px;
}
.help-section {
    margin-bottom: 80px;
}
.help-section h2 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 40px;
}
.help-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}
.help-section p, .help-section ul {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 300;
}
.help-section ul {
    padding-left: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 5rem; }
    .feature-row, .feature-row:nth-child(even) { flex-direction: column; min-height: auto; padding: 50px 0; }
    .feat-visual { width: 100%; height: 400px; margin-bottom: 40px; }
    .feat-visual img { mask-image: none; -webkit-mask-image: none; }
    .price-stripe { flex-direction: column; align-items: flex-start; gap: 30px; }
    .price-cost { align-items: flex-start; text-align: left; }
    .price-features { flex-direction: column; gap: 10px; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 3.5rem; }
    .hero-actions { flex-direction: column; }
    .metrics-immersive { flex-direction: column; text-align: center; }
    .dl-row { flex-direction: column; text-align: center; gap: 30px; }
    .dl-info { flex-direction: column; gap: 20px; }
}