/* style.css */
:root {
    /* Default Dark Mode (Space Titanium) */
    --bg-base: #0E1116; 
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: #E2E8F0;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-blue: #38BDF8;
    --glass-blur: blur(24px);
    --squircle: 28px;
    --pill-radius: 50px;
    --transition-smooth: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

[data-theme="light"] {
    --bg-base: #F8FAFC;
    --bg-card: rgba(255, 255, 255, 0.6);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --border-color: rgba(15, 23, 42, 0.1);
    --border-hover: #0F172A;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --accent-blue: #0284C7;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    overflow-x: hidden;
}

a { color: var(--text-primary); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-blue); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navbar Floating Island */
header {
    position: fixed; top: 20px; left: 0; width: 100%; z-index: 1000;
    display: flex; justify-content: center;
}
.header-inner {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--pill-radius);
    padding: 12px 24px;
    width: 90%;
    max-width: 1000px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    transition: all var(--transition-smooth);
}

.logo { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.5px; }

nav { display: flex; gap: 24px; }
nav a { font-size: 0.95rem; font-weight: 500; color: var(--text-secondary); transition: color 0.3s; }
nav a:hover, nav a.active { color: var(--text-primary); }

.nav-right { display: flex; align-items: center; gap: 16px; }

.latency-pill {
    display: flex; align-items: center; gap: 8px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    color: var(--accent-blue);
    padding: 6px 14px;
    border-radius: var(--pill-radius);
    font-size: 0.85rem; font-weight: 600;
}
.latency-pill .dot { width: 8px; height: 8px; background: var(--accent-blue); border-radius: 50%; box-shadow: 0 0 10px var(--accent-blue); }

.theme-toggle {
    background: transparent; border: none; color: var(--text-secondary);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%; transition: all 0.3s;
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.sun-icon { display: none; }
.moon-icon { display: block; }
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

/* Bento Cards base */
.bento-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--squircle);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-smooth), border-color 0.3s;
}

/* Specular Lighting Glow (Mouse tracking) */
.glow-effect::before {
    content: ''; position: absolute;
    top: var(--mouse-y, 50%); left: var(--mouse-x, 50%);
    width: 400px; height: 400px;
    background: radial-gradient(circle closest-side, rgba(255, 255, 255, 0.08), transparent);
    transform: translate(-50%, -50%);
    opacity: 0; transition: opacity 0.4s;
    pointer-events: none; z-index: 0;
}
[data-theme="light"] .glow-effect::before {
    background: radial-gradient(circle closest-side, rgba(0, 0, 0, 0.05), transparent);
}
.glow-effect:hover::before { opacity: 1; }
.glow-effect:hover { border-color: var(--border-hover); }
.bento-card > * { position: relative; z-index: 1; }

/* Sections */
section { padding: 100px 0; }
.section-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 40px; letter-spacing: -1px; text-align: center; }

/* Hero */
.hero { padding-top: 180px; padding-bottom: 60px; text-align: center; }
.hero h1 { font-size: 4rem; font-weight: 800; line-height: 1.1; margin-bottom: 24px; letter-spacing: -1.5px; }
.hero .subtitle { font-size: 1.25rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 40px; line-height: 1.7; }
.cta-btn {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--text-primary); color: var(--bg-base);
    padding: 18px 48px; border-radius: var(--pill-radius);
    font-size: 1.1rem; font-weight: 600; text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
    border: none; cursor: pointer;
}
.cta-btn:hover { transform: scale(1.05); box-shadow: 0 10px 30px rgba(255,255,255,0.1); }
[data-theme="light"] .cta-btn:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

/* Setup Showcase */
.setup-showcase { padding-top: 0; }
.platform-tabs {
    display: flex; justify-content: center; gap: 8px; margin-bottom: 40px;
    background: rgba(0,0,0,0.1); padding: 6px; border-radius: var(--pill-radius);
    width: fit-content; margin-left: auto; margin-right: auto;
}
.tab-btn {
    background: transparent; border: none; color: var(--text-secondary);
    padding: 10px 24px; border-radius: var(--pill-radius);
    font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: all 0.3s;
}
.tab-btn.active { background: var(--bg-card-hover); color: var(--text-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.setup-content { display: none; gap: 40px; align-items: center; justify-content: space-between; animation: fadeIn 0.5s ease forwards; }
.setup-content.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.setup-steps { flex: 1; }
.step {
    display: flex; align-items: center; gap: 16px; margin-bottom: 24px;
    font-size: 1.1rem; color: var(--text-secondary);
}
.step span {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; background: var(--bg-card-hover);
    border-radius: 50%; font-weight: 700; color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.setup-visual {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 24px;
    background: rgba(0,0,0,0.1); padding: 40px; border-radius: var(--squircle);
    border: 1px solid var(--border-color);
}
.qr-mock {
    width: 140px; height: 140px; background: rgba(255,255,255,0.8); padding: 10px; border-radius: 16px;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px;
}
.qr-mock div { background: var(--bg-base); border-radius: 2px; }
.qr-mock div:nth-child(2n) { opacity: 0.5; }
.copy-btn {
    background: var(--bg-card-hover); border: 1px solid var(--border-color);
    color: var(--text-primary); padding: 12px 24px; border-radius: var(--pill-radius);
    font-weight: 500; cursor: pointer; transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.copy-btn:active { transform: scale(0.9); background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }

/* Grid Layouts */
.bento-grid-core { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* Core Features Cards */
.feature-icon { margin-bottom: 20px; color: var(--text-primary); }
.bento-card h3 { font-size: 1.5rem; margin-bottom: 12px; font-weight: 600; }
.bento-card p { color: var(--text-secondary); }

/* Pricing */
.currency-toggle {
    display: flex; justify-content: center; margin-bottom: 40px;
}
.currency-toggle button {
    background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-secondary); padding: 8px 20px; cursor: pointer; transition: all 0.3s;
}
.currency-toggle button:first-child { border-radius: var(--pill-radius) 0 0 var(--pill-radius); border-right: none; }
.currency-toggle button:last-child { border-radius: 0 var(--pill-radius) var(--pill-radius) 0; }
.currency-toggle button.active { background: var(--text-primary); color: var(--bg-base); }

.price-card { display: flex; flex-direction: column; }
.price-val { font-size: 3rem; font-weight: 700; color: var(--text-primary); margin: 20px 0; letter-spacing: -1px; }
.price-val span { font-size: 1rem; color: var(--text-secondary); font-weight: 400; }
.price-card ul { list-style: none; flex: 1; margin-bottom: 30px; }
.price-card ul li { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border-color); color: var(--text-secondary); }
.price-card ul li:last-child { border: none; }
.price-card ul li svg { color: var(--accent-blue); }
.btn-outline {
    display: block; text-align: center; border: 1px solid var(--border-color);
    padding: 14px; border-radius: var(--pill-radius); color: var(--text-primary);
    font-weight: 500; transition: all 0.3s;
}
.btn-outline:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }
.price-card.featured { border-color: var(--accent-blue); box-shadow: 0 0 30px rgba(56, 189, 248, 0.1); }
.badge-pro { position: absolute; top: 30px; right: 30px; background: var(--accent-blue); color: #fff; padding: 4px 12px; border-radius: var(--pill-radius); font-size: 0.8rem; font-weight: 700; }

/* FAQ Accordion */
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-question {
    width: 100%; text-align: left; background: none; border: none; padding: 24px 0;
    font-size: 1.1rem; font-weight: 500; color: var(--text-primary); cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
}
.faq-icon { transition: transform 0.3s; }
.faq-question.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; color: var(--text-secondary); }
.faq-answer-inner { padding-bottom: 24px; }

/* Footer */
footer { padding: 60px 0; border-top: 1px solid var(--border-color); background: var(--bg-base); text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 32px; margin-bottom: 30px; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); font-size: 0.95rem; }
.copyright { color: var(--text-secondary); font-size: 0.85rem; opacity: 0.6; }

/* Subpages Styling for Bento layout */
.page-header { padding: 160px 0 60px; text-align: center; }
.page-header h1 { font-size: 3rem; font-weight: 700; }
.page-content-wrapper { padding-bottom: 100px; }
.page-content-card { 
    max-width: 800px; margin: 0 auto; 
    background: var(--bg-card); backdrop-filter: var(--glass-blur); border: 1px solid var(--border-color); border-radius: var(--squircle);
    padding: 60px;
}
.page-content-card h2 { margin: 30px 0 15px; color: var(--text-primary); }
.page-content-card h2:first-child { margin-top: 0; }
.page-content-card p, .page-content-card ul { color: var(--text-secondary); margin-bottom: 15px; }
.page-content-card ul { padding-left: 20px; }

/* Mobile */
@media (max-width: 900px) {
    .col-4, .col-6, .col-8 { grid-column: span 12; }
    .setup-content { flex-direction: column; text-align: center; }
    .step { justify-content: center; }
    .hero h1 { font-size: 3rem; }
}
@media (max-width: 768px) {
    .header-inner { flex-direction: column; gap: 15px; padding: 15px; border-radius: 20px; width: 95%; }
    nav { overflow-x: auto; width: 100%; justify-content: flex-start; padding-bottom: 5px; }
    nav::-webkit-scrollbar { display: none; }
    .nav-right { width: 100%; justify-content: space-between; }
    .bento-card { padding: 24px; }
    .page-content-card { padding: 30px 20px; }
}