@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital@1&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Light Theme Core */
    --bg-main: #FAFAFA;
    --bg-panel: rgba(255, 255, 255, 0.8);
    
    /* Text */
    --text-main: #0B0F19;
    --text-muted: #555F72;
    
    /* Accents */
    --accent-purple: #8B5CF6;
    --accent-pink: #EC4899;
    
    /* Layout */
    --max-width: 1100px;
    --radius-full: 100px;
    --radius-2xl: 24px;
    --radius-xl: 16px;
    --radius-lg: 12px;
    
    /* Borders */
    --border-glass: 1px solid rgba(0, 0, 0, 0.04);
    --border-glass-hover: 1px solid rgba(0, 0, 0, 0.12);
    --trans-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

.bg-grid {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background-size: 50px 50px;
    background-image: 
        linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    z-index: -2; pointer-events: none;
}
.bg-glow {
    position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 100vw; height: 800px;
    background: radial-gradient(ellipse at top, rgba(139, 92, 246, 0.1) 0%, rgba(250, 250, 250, 0) 70%);
    z-index: -1; pointer-events: none;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 5%; }
.relative { position: relative; }
.z-10 { z-index: 10; }

h1, h2, h3, h4 { color: var(--text-main); line-height: 1.2; letter-spacing: -0.03em; }
h1 { font-size: clamp(3rem, 6vw, 4.8rem); font-weight: 700; }
h2 { font-size: clamp(2.2rem, 4.5vw, 3.2rem); font-weight: 600; }
h3 { font-size: 1.3rem; font-weight: 600; }
h4 { font-size: 1.1rem; }

em {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--text-main);
    letter-spacing: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-p { font-size: 1.15rem; color: var(--text-muted); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-main); } /* Hack: Keep text dark on light mode */
.text-center { text-align: center; }
.text-5xl { font-size: clamp(3rem, 6vw, 4.5rem); letter-spacing: -0.05em; font-weight: 800; }

.mb-sm { margin-bottom: 12px; }
.mb-md { margin-bottom: 24px; }
.mb-lg { margin-bottom: 48px; }
.mb-xl { margin-bottom: 80px; }
.mb-0 { margin-bottom: 0 !important; }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 24px; }
.mt-lg { margin-top: 48px; }
.mt-xl { margin-top: 80px; }
.py-xl { padding: 100px 0; }
.py-lg { padding: 60px 0; }
.p-sm { padding: 24px; }
.p-lg { padding: 48px; }

.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-md { max-width: 600px; }
.max-w-lg { max-width: 800px; }
.w-full { width: 100%; }

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-row { display: flex; flex-direction: row; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-sm { gap: 16px; }
.rounded-circle { border-radius: 50%; }
.text-2xl { font-size: 1.8rem; font-weight: 700; }

.glass-border {
    background: var(--bg-panel);
    border: var(--border-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-2xl);
    transition: var(--trans-smooth);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}
.glass-border:hover { border: var(--border-glass-hover); transform: translateY(-3px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04); }
.glass-panel {
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}
.divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent); width: 100%; margin: 20px 0; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 16px 36px; border-radius: var(--radius-full); font-weight: 600;
    text-decoration: none; cursor: pointer; border: none; font-size: 1.05rem;
    transition: all 0.3s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    color: #fff;
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.25);
}
.glow-hover:hover { box-shadow: 0 0 30px rgba(236, 72, 153, 0.4); transform: scale(1.02); }
.btn-dark { background: #111827; color: #fff; border: 1px solid transparent; }
.btn-dark:hover { background: #374151; }
.btn-outline { background: transparent; color: var(--text-main); border: 1px solid rgba(0,0,0,0.15); font-weight: 600; }
.btn-outline:hover { background: rgba(0,0,0,0.02); border-color: rgba(0,0,0,0.3); }

.badge {
    display: inline-block; padding: 6px 14px; border-radius: var(--radius-full);
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
    background: rgba(0,0,0,0.03); color: var(--text-main); border: 1px solid rgba(0,0,0,0.08);
}
.border-gradient {
    background: linear-gradient(var(--bg-main), var(--bg-main)) padding-box,
                linear-gradient(135deg, var(--accent-pink), var(--accent-purple)) border-box;
    border: 1px solid transparent;
}

.header { display: flex; justify-content: space-between; align-items: center; padding: 32px 0; }
.logo { font-size: 1.4rem; font-weight: 800; display: flex; align-items: center; gap: 8px; letter-spacing: 1px; color: var(--text-main); }
.nav { display: flex; gap: 32px; }
.nav a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: 0.2s; }
.nav a:hover { color: var(--text-main); }

.hero { padding: 60px 0 100px 0; }
.hero-title { margin-bottom: 24px; }
.hero-description { max-width: 650px; }
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

.abstract-ui-showcase { position: relative; max-width: 800px; height: auto; margin: 40px auto 40px; padding: 20px; }
.main-panel { position: relative; width: 100%; padding: 40px; box-shadow: 0 40px 100px rgba(0,0,0,0.08); z-index: 2; margin: 0 auto; display: flex; flex-direction: column; background: #FFFFFF; border: 1px solid rgba(0,0,0,0.02); border-radius: var(--radius-xl); }
.panel-header { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 40px; text-align: center; font-weight: 600;}
.stats-row { display: flex; justify-content: space-evenly; align-items: center; margin-bottom: 10px; }
.stat-box { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; }
.stat-num { font-size: 3.8rem; font-family: 'Playfair Display', serif; font-style: italic; line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; margin-top: 8px;}
.stat-divider { width: 1px; height: 60px; background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.1), transparent); }
.panel-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(0,0,0,0.05); padding-top: 24px; font-size: 0.95rem; }
.pf-item { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-weight: 500;}

@keyframes float { 0% { transform: translateY(0); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0); } }

.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; }
.bento-card { padding: 40px; display: flex; flex-direction: column; justify-content: center; background: #FFFFFF; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.b-icon { font-size: 2.5rem; color: var(--accent-purple); margin-bottom: 24px; }
.b-icon-small { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--accent-purple); flex-shrink: 0; }
.bento-card h3 { margin-bottom: 12px; }
.bg-gradient-subtle { background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.05), transparent 70%); }
.flex-row-mobile { display: flex; flex-direction: row; justify-content: space-between; align-items: center; gap: 40px; }
.warning-circle { width: 100px; height: 100px; border-radius: 50%; background: rgba(236, 72, 153, 0.05); display: flex; align-items: center; justify-content: center; font-size: 40px; color: var(--accent-pink); border: 1px solid rgba(236, 72, 153, 0.1); box-shadow: 0 10px 20px rgba(236, 72, 153, 0.05); }

.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.feature-list { display: flex; flex-direction: column; gap: 32px; }
.f-item { display: flex; gap: 16px; align-items: flex-start; }
.f-item i { font-size: 1.5rem; margin-top: 4px; }

.accordion-list { display: flex; flex-direction: column; gap: 16px; margin-top: 48px; }
.accordion-item { overflow: hidden; padding: 0 8px; background: #FFFFFF; }
.acc-header { display: flex; align-items: center; padding: 24px; cursor: pointer; gap: 24px; }
.acc-num { font-size: 0.9rem; color: var(--accent-purple); font-weight: 800; width: 30px; }
.acc-header h3 { flex: 1; font-weight: 600; font-size: 1.2rem; }
.acc-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; padding: 0 24px 0 80px; opacity: 0; }
.accordion-item.active { background: rgba(139, 92, 246, 0.02); border-color: rgba(139, 92, 246, 0.15); box-shadow: 0 4px 20px rgba(0,0,0,0.03); }
.accordion-item.active .acc-content { max-height: 150px; opacity: 1; padding-bottom: 24px; }
.accordion-item.active .acc-icon { transform: rotate(45deg); color: var(--accent-pink); }

.p-xl { padding: 60px; }
.glow-bg-strong { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 100%; height: 100%; background: radial-gradient(circle at center, rgba(139, 92, 246, 0.05) 0%, transparent 80%); z-index: 0; pointer-events: none; }
.clean-list-small { list-style: none; display: flex; flex-direction: column; gap: 12px; font-weight: 500; }
.clean-list-small li { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }

.animate-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.animate-up.in-view { opacity: 1; transform: translateY(0); }

@media(max-width: 900px) {
    .bento-grid { grid-template-columns: 1fr; }
    .span-2, .span-3 { grid-column: span 1; }
    .split-section { grid-template-columns: 1fr; gap: 40px; }
    .main-panel { width: 100%; padding: 32px; }
    .abstract-ui-showcase { height: auto; margin-top: 40px; padding: 0; }
    .flex-row-mobile { flex-direction: column-reverse; text-align: center; }
    .panel-footer { flex-direction: column; gap: 12px; text-align: center; }
}
@media(max-width: 600px) {
    h1 { font-size: 2rem; }
    .stats-row { flex-direction: column; gap: 24px; }
    .stat-divider { width: 60px; height: 1px; background: linear-gradient(to right, transparent, rgba(0,0,0,0.1), transparent); }
    .nav { display: none; }
    .header .btn { display: none; }
    .bento-card { padding: 24px; }
    .p-xl { padding: 32px 24px; }
    .p-lg { padding: 24px 20px; }
    .acc-header { padding: 16px; gap: 16px; }
    .acc-content { padding-left: 60px; }
}