/* Gray-Blue Rational Professional Style - Completely New Skeleton */
:root {
    --gb-bg: #f8fafc;
    --gb-surface: #ffffff;
    --gb-primary: #334155;
    --gb-secondary: #64748b;
    --gb-accent: #0284c7;
    --gb-accent-hover: #0369a1;
    --gb-text: #0f172a;
    --gb-text-light: #475569;
    --gb-border: #e2e8f0;
    --gb-radius: 24px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

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

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; border-radius: 16px; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 1. Floating Pill Navigation */
.floating-pill-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 30px;
    box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.1);
    z-index: 1000;
    width: 90%;
    max-width: 1000px;
    justify-content: space-between;
}

.fp-brand {
    font-weight: 800;
    color: var(--gb-primary);
    font-size: 1.2rem;
    padding-left: 10px;
}

.fp-links {
    display: flex;
    gap: 25px;
}

.fp-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gb-text-light);
    transition: color 0.2s;
}

.fp-links a:hover, .fp-links a.active {
    color: var(--gb-accent);
}

.fp-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-pill {
    background: var(--gb-accent);
    color: #fff;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.btn-pill:hover { background: var(--gb-accent-hover); }
.lang-txt { font-size: 0.85rem; color: var(--gb-secondary); cursor: pointer; }

/* 2. Massive Hero Card */
.hero-wrapper {
    padding: 120px 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-card {
    background: linear-gradient(145deg, #ffffff, #f1f5f9);
    border-radius: 40px;
    padding: 100px 40px;
    text-align: center;
    border: 1px solid var(--gb-border);
    box-shadow: 0 20px 40px -20px rgba(100, 116, 139, 0.1);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at center, rgba(2, 132, 199, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    color: var(--gb-primary);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gb-text-light);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-large {
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-primary { background: var(--gb-primary); color: #fff; }
.btn-primary:hover { background: #1e293b; }
.btn-outline { background: transparent; border: 2px solid var(--gb-border); color: var(--gb-primary); }
.btn-outline:hover { border-color: var(--gb-primary); }

/* 3. Marquee Ticker (Trust & Stats combined) */
.marquee-wrap {
    background: var(--gb-primary);
    color: #fff;
    padding: 20px 0;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.marquee-content {
    display: inline-block;
    animation: marquee 30s linear infinite;
    font-size: 1.1rem;
    font-weight: 500;
}

.marquee-content span {
    margin: 0 40px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.marquee-content span::before {
    content: '✦';
    color: var(--gb-accent);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 4. Zig-zag Features */
.section-block { padding: 100px 0; }
.section-title { text-align: center; font-size: 2.5rem; color: var(--gb-primary); margin-bottom: 60px; }

.zigzag-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.zigzag-row:nth-child(even) {
    flex-direction: row-reverse;
}

.zz-text { flex: 1; }
.zz-text h3 { font-size: 2rem; color: var(--gb-primary); margin-bottom: 20px; }
.zz-text p { font-size: 1.1rem; color: var(--gb-text-light); }

.zz-img { flex: 1; }
.zz-img img { box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1); border: 1px solid var(--gb-border); }

/* 5. Vertical Timeline Nodes */
.timeline-wrap {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.timeline-wrap::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 24px;
    width: 2px;
    background: var(--gb-border);
}

.timeline-item {
    position: relative;
    padding-left: 70px;
    margin-bottom: 40px;
}

.tl-dot {
    position: absolute;
    left: 16px; top: 0;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--gb-accent);
    border: 4px solid var(--gb-bg);
}

.tl-content {
    background: var(--gb-surface);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--gb-border);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.tl-content h4 { font-size: 1.2rem; color: var(--gb-primary); margin-bottom: 5px; }
.tl-content p { color: var(--gb-secondary); font-size: 0.9rem; }

/* 6. Snap Carousel Reviews */
.reviews-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 30px;
    padding: 20px 0 40px;
    scrollbar-width: thin;
    scrollbar-color: var(--gb-border) transparent;
}

.review-card {
    min-width: 350px;
    scroll-snap-align: start;
    background: var(--gb-surface);
    padding: 40px;
    border-radius: var(--gb-radius);
    border: 1px solid var(--gb-border);
    flex-shrink: 0;
}

.rc-stars { color: #f59e0b; margin-bottom: 20px; font-size: 1.2rem; }
.rc-text { font-size: 1.1rem; color: var(--gb-text); margin-bottom: 30px; line-height: 1.8; }
.rc-author { display: flex; align-items: center; gap: 15px; border-top: 1px solid var(--gb-border); padding-top: 20px; }
.rc-avatar { width: 40px; height: 40px; background: var(--gb-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }

/* 7. Stacked Pricing */
.pricing-stack {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.price-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gb-surface);
    padding: 30px 40px;
    border-radius: 20px;
    border: 1px solid var(--gb-border);
    transition: transform 0.3s;
}

.price-strip:hover { transform: scale(1.02); box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1); }
.price-strip.highlight { background: var(--gb-primary); color: #fff; border-color: var(--gb-primary); }
.price-strip.highlight .ps-title, .price-strip.highlight .ps-desc { color: rgba(255,255,255,0.8); }

.ps-info h3 { font-size: 1.5rem; margin-bottom: 5px; }
.ps-desc { color: var(--gb-secondary); font-size: 0.9rem; }
.ps-cost { font-size: 2.5rem; font-weight: 800; }
.ps-cost span { font-size: 1rem; font-weight: normal; }

/* 8. HTML5 Details Accordion FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

details {
    background: var(--gb-surface);
    border: 1px solid var(--gb-border);
    border-radius: 16px;
    margin-bottom: 15px;
    overflow: hidden;
}

summary {
    padding: 24px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gb-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--gb-accent); font-size: 1.5rem; }
details[open] summary::after { content: '−'; }

.details-content {
    padding: 0 24px 24px;
    color: var(--gb-text-light);
    line-height: 1.8;
}

/* Footer */
.minimal-footer {
    background: var(--gb-surface);
    padding: 60px 0 40px;
    border-top: 1px solid var(--gb-border);
    margin-top: 80px;
}

.mf-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.mf-brand { font-size: 1.5rem; font-weight: 800; color: var(--gb-primary); margin-bottom: 15px; }
.mf-desc { color: var(--gb-secondary); font-size: 0.95rem; }
.mf-col h4 { color: var(--gb-primary); margin-bottom: 20px; font-size: 1rem; }
.mf-col ul { list-style: none; }
.mf-col li { margin-bottom: 12px; }
.mf-col a { color: var(--gb-secondary); font-size: 0.9rem; }
.mf-col a:hover { color: var(--gb-accent); }

.mf-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gb-border);
    color: var(--gb-secondary);
    font-size: 0.85rem;
}

/* Subpages */
.page-hero-card {
    background: var(--gb-primary);
    color: #fff;
    border-radius: 40px;
    padding: 80px 40px;
    text-align: center;
    margin: 120px 20px 60px;
}

.page-hero-card h1 { font-size: 3rem; margin-bottom: 15px; }
.page-hero-card p { color: rgba(255,255,255,0.8); font-size: 1.2rem; }

/* Download Page */
.dl-cards-wrap {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.dl-item {
    background: var(--gb-surface);
    border: 1px solid var(--gb-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
}

.dl-item h3 { font-size: 1.5rem; margin: 20px 0 10px; color: var(--gb-primary); }
.dl-item p { color: var(--gb-secondary); margin-bottom: 30px; }

/* Help Page */
.help-article-list {
    max-width: 800px;
    margin: 0 auto;
}

.help-article {
    background: var(--gb-surface);
    border: 1px solid var(--gb-border);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
}

.help-article h3 { font-size: 1.6rem; color: var(--gb-primary); margin-bottom: 20px; }
.help-article p { color: var(--gb-text-light); margin-bottom: 15px; }
.help-article ul { margin-left: 20px; color: var(--gb-text-light); }
.help-article li { margin-bottom: 10px; }

/* Responsive */
@media (max-width: 992px) {
    .floating-pill-nav { width: 95%; padding: 10px 15px; }
    .fp-links { display: none; }
    .hero-content h1 { font-size: 3.5rem; }
    .zigzag-row, .zigzag-row:nth-child(even) { flex-direction: column; text-align: center; gap: 30px; }
    .mf-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-card { padding: 60px 20px; border-radius: 20px; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-btns { flex-direction: column; }
    .price-strip { flex-direction: column; text-align: center; gap: 20px; }
    .dl-cards-wrap { grid-template-columns: 1fr; }
    .mf-grid { grid-template-columns: 1fr; text-align: center; }
}