/* Premium Investor Presentation CSS Theme */
:root {
    --bg-dark: #050b14; /* Deep dark blue */
    --card-bg: #0b1325; /* Very dark slate */
    --card-border: #1a2a47; /* Muted blue border */
    --text-main: #f8fafc; /* Crisp white */
    --text-muted: #94a3b8; /* Light gray */
    --accent: #60a5fa; /* Muted blue accent */
    --accent-hover: #3b82f6; 
    --success: #10b981; 
    --warning: #f59e0b; 
    --danger: #ef4444; 
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

/* Nav */
nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1.5rem 6%;
    background: rgba(5, 11, 20, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--card-border);
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-weight: 900; font-size: 1.5rem; color: var(--text-main); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a { 
    color: var(--text-muted); 
    text-decoration: none; 
    font-weight: 800; 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
    transition: 0.3s; 
}
.nav-links a:hover { color: var(--accent); }

/* Typography */
h1 { font-size: clamp(3.5rem, 6vw, 6rem); font-weight: 900; line-height: 1.05; margin-bottom: 2rem; letter-spacing: -2px; }
h2 { font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 900; margin-bottom: 1rem; line-height: 1.1; letter-spacing: -1.5px;}
h3 { font-size: 2rem; font-weight: 800; letter-spacing: -0.5px; line-height: 1.2; }
h4 { font-size: 1.1rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; line-height: 1.4; }

.accent-text { color: var(--accent); }
.success-text { color: var(--success); }
.warning-text { color: var(--warning); }
.text-white { color: #ffffff; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.large-text { font-size: 1.5rem; font-weight: 700; line-height: 1.4; }
.text-sm { font-size: 1.05rem; line-height: 1.6; }
.text-xl { font-size: 1.5rem; font-weight: 800; }
.text-2xl { font-size: 2.5rem; font-weight: 900; letter-spacing: -1px; }
.font-bold { font-weight: 800; }
.tracking-wide { letter-spacing: 0.1em; }
.tracking-widest { letter-spacing: 0.15em; }
.quote-text { font-size: 1.75rem; font-style: italic; color: var(--text-muted); font-weight: 500; }

/* Margins & Padding */
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 3rem; }
.mb-8 { margin-bottom: 4rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mt-8 { margin-top: 4rem; }
.p-6 { padding: 3rem; }
.p-8 { padding: 4rem; }
.pt-4 { padding-top: 1.5rem; }
.py-8 { padding-top: 4rem; padding-bottom: 4rem; }
.my-4 { margin-top: 2rem; margin-bottom: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Structural Utility */
.max-w-xl { max-width: 1000px; width: 100%; }
.max-w-lg { max-width: 800px; width: 100%; }
.w-full { width: 100%; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex-row { flex-direction: row !important; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.overflow-hidden { overflow: hidden; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.mb-10 { margin-bottom: 5rem; }
.text-lg { font-size: 1.15rem; line-height: 1.6; }
.italic { font-style: italic; }

/* Sections & Layout - MASSIVE spacing */
section { 
    min-height: 100vh; 
    padding: 10rem 8% 8rem; 
    display: flex; flex-direction: column; justify-content: center; 
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: stretch; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; align-items: stretch; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; align-items: stretch; }
.align-center { align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; flex-direction: column; }
.gap-6 { gap: 2.5rem; }

/* Cards & Elements - Premium Dark Shadows */
.card {
    background: var(--card-bg); 
    border: 1px solid var(--card-border);
    border-radius: 24px; 
    padding: 3rem; 
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.8);
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
}
.card:hover { 
    transform: translateY(-8px); 
    border-color: rgba(96, 165, 250, 0.5); 
    box-shadow: 0 35px 60px -15px rgba(0,0,0,0.9), 0 0 40px rgba(96, 165, 250, 0.1);
}
.border-accent { border-color: rgba(96, 165, 250, 0.4); }
.highlight-border { border-color: rgba(245, 158, 11, 0.4); }
.success-border { border-color: rgba(16, 185, 129, 0.4); }
.border-top { border-top: 1px solid var(--card-border); padding-top: 2rem; margin-top: 2rem; }
.border-card { border-color: var(--card-border); }
.card-muted { opacity: 0.7; }

/* Hero Specifics */
.hero { text-align: center; justify-content: center; padding-top: 6rem; }
.hero-badges { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 4rem; }
.badge {
    background: rgba(96, 165, 250, 0.08); 
    border: 1px solid var(--accent);
    color: var(--accent); 
    padding: 0.75rem 2rem; 
    border-radius: 999px;
    font-weight: 800; font-size: 1.05rem; letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(96, 165, 250, 0.1);
}
.hero-quote {
    background: linear-gradient(135deg, rgba(16, 28, 50, 0.6), rgba(11, 19, 37, 0.8));
    border-left: 5px solid var(--accent); 
    padding: 2.5rem 3rem; 
    border-radius: 16px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}
.hero-quote p { font-size: 1.8rem; font-weight: 500; }

/* Lists */
ul { list-style: none; margin-top: 1.5rem; }
ul li { position: relative; color: var(--text-muted); padding-left: 2.5rem; margin-bottom: 1.5rem; font-size: 1.2rem; line-height: 1.6; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; font-size: 1.4rem; top: -3px; }
.cross-list li::before { content: "×"; position: absolute; left: 0; color: var(--danger); font-weight: 900; font-size: 1.4rem; top: -3px; }
.step-card ul li { padding-left: 1.5rem; font-size: 1.05rem; margin-bottom: 1.25rem; }
.step-card ul li::before { content: "•"; color: var(--accent); position: absolute; left: 0; font-size: 1.5rem; line-height: 1; top: -5px; }

/* How It Works Diagram Layout */
.convergence-layout { display: flex; justify-content: space-between; align-items: stretch; margin-top: 2rem; position: relative; z-index: 10; padding: 4rem 0; }
.diagram-side { width: 36%; display: flex; flex-direction: column; }
.data-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 1rem; 
    width: 100%; 
    margin-top: 1.5rem;
}
.data-box {
    background: rgba(16, 28, 50, 0.6); 
    border: 1px solid var(--card-border);
    padding: 1.25rem 1rem; border-radius: 12px; 
    font-size: 0.85rem; font-weight: 800; letter-spacing: 0.5px;
    text-align: center; transition: 0.3s; color: var(--text-muted);
    backdrop-filter: blur(10px);
}
.data-box:hover { border-color: var(--accent); color: var(--text-white); background: rgba(16, 28, 50, 0.9); }
.ai-core { width: 28%; position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.core-node {
    width: 250px; height: 250px; 
    background: radial-gradient(circle at 30% 30%, #fff, var(--accent) 60%, #1e3a8a);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--bg-dark); font-weight: 900; font-size: 2.2rem; letter-spacing: -1px;
    box-shadow: 0 0 100px rgba(96, 165, 250, 0.8), inset -20px -20px 40px rgba(0,0,0,0.4); z-index: 20;
    position: relative;
}
.outcomes-section { margin-top: 2rem; position: relative; z-index: 10; padding-top: 2rem; }
.outcomes-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 2rem; }
.outcome-box {
    background: var(--card-bg); 
    border: 1px solid var(--card-border);
    border-bottom: 4px solid var(--accent); 
    padding: 1.5rem; text-align: center;
    font-weight: 800; font-size: 1rem; border-radius: 16px;
    color: var(--text-white);
}

/* Data Flow Connectors */
.connector-line {
    position: absolute;
    background: rgba(96, 165, 250, 0.15);
    z-index: 0;
}
.left-line {
    width: 50vw; height: 4px; right: 50%; top: 50%; transform: translateY(-50%); overflow: hidden;
}
.left-line::after {
    content: ''; position: absolute; top:0; left: 0; height: 100%; width: 200px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    animation: flowRight 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.right-line {
    width: 50vw; height: 4px; left: 50%; top: 50%; transform: translateY(-50%); overflow: hidden;
}
.right-line::after {
    content: ''; position: absolute; top:0; right: 0; height: 100%; width: 200px;
    background: linear-gradient(-90deg, transparent, #fff, transparent);
    animation: flowLeft 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.down-line {
    width: 4px; height: 400px; top: 50%; left: 50%; transform: translateX(-50%); overflow: hidden;
}
.down-line::after {
    content: ''; position: absolute; top:0; left: 0; height: 200px; width: 100%;
    background: linear-gradient(180deg, transparent, #fff, transparent);
    animation: flowDown 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    animation-delay: 1s;
}

@keyframes flowRight { 0% { left: -200px; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes flowLeft { 0% { right: -200px; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { right: 100%; opacity: 0; } }
@keyframes flowDown { 0% { top: -200px; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { top: 100%; opacity: 0; } }

/* Image Containers - Exact matches for the PDF */
.image-container { 
    width: 100%; 
    height: 100%; 
    min-height: 350px;
    border-radius: 20px; 
    overflow: hidden; 
    position: relative; 
    border: 1px solid var(--card-border); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.6); 
}
.image-container img { width: 100%; height: 100%; object-fit: cover; display: block; }
.image-overlay { 
    position: absolute; 
    inset: 0; 
    background: linear-gradient(to top, rgba(5, 11, 20, 0.95) 0%, rgba(5, 11, 20, 0.4) 50%, transparent 100%); 
    display: flex; 
    flex-direction: column;
    justify-content: flex-end; 
    padding: 3rem; 
}
.image-overlay h3 { margin-bottom: 0; color: white; }

/* Misc visuals */
.huge-stat { font-size: 6rem; font-weight: 900; line-height: 1; margin-bottom: 1rem; letter-spacing: -3px; }
.arrow { color: var(--accent); font-size: 2.5rem; font-weight: 900; line-height: 1; margin: 1rem 0; }
.comparison-points .point { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 1.5rem; font-size: 1.25rem; font-weight: 500; }
.point.negative .icon { background: rgba(239, 68, 68, 0.15); color: var(--danger); box-shadow: 0 0 20px rgba(239, 68, 68, 0.2); }
.point.positive .icon { background: rgba(16, 185, 129, 0.15); color: var(--success); box-shadow: 0 0 20px rgba(16, 185, 129, 0.2); }
.point .icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: 900; font-size: 1.5rem; flex-shrink: 0; }

.icon-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px; height: 60px;
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid var(--accent);
    border-radius: 16px;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

/* --- SPLIT PANEL SECTION --- */
.full-width-section { 
    padding: 0 !important; 
    min-height: 100vh; 
    position: relative; 
    display: flex; 
    flex-direction: column; 
    overflow: hidden; 
}
.massive-title {
    font-size: clamp(4rem, 6vw, 7rem);
    text-transform: uppercase;
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
    letter-spacing: -2px;
}
.split-panels {
    display: flex;
    flex: 1;
    min-height: 75vh;
    width: 100%;
}
.panel {
    flex: 1;
    background-size: cover;
    background-position: center;
    position: relative;
    border: none;
    box-shadow: inset 0 0 100px rgba(0,0,0,0.5);
}
.panel-left { border-right: 1px solid rgba(255,255,255,0.05); }
.panel-overlay {
    position: absolute;
    inset: 0;
    padding: 6rem 5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.panel-overlay-dark { background: linear-gradient(to bottom, rgba(5,11,20,0.95) 0%, rgba(5,11,20,0.5) 100%); }
.panel-overlay-bright { background: linear-gradient(to bottom, rgba(16,28,50,0.95) 0%, rgba(16,28,50,0.5) 100%); }

.clean-list, .clean-check-list { list-style: none; margin-top: 1.5rem; padding: 0; }
.clean-list li { position: relative; padding-left: 2.5rem; margin-bottom: 1.5rem; font-size: 1.4rem; font-weight: 500; color: #fff; }
.clean-list li::before { content: "—"; position: absolute; left: 0; color: rgba(255,255,255,0.7); font-weight: 900; }
.clean-check-list li { position: relative; padding-left: 2.5rem; margin-bottom: 1.5rem; font-size: 1.4rem; font-weight: 500; color: #fff; }
.clean-check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; font-size: 1.5rem; top: -3px; }
.text-3xl { font-size: 3rem; line-height: 1.2; letter-spacing: -1px; }

/* Responsive */
@media (max-width: 1280px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: 1fr; }
    h1 { font-size: 5rem; }
    h2 { font-size: 3.5rem; }
}
@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .convergence-layout { flex-direction: column; gap: 3rem; }
    .data-column, .ai-core { width: 100%; }
    .core-node { width: 200px; height: 200px; margin: 0 auto; }
    .outcomes-row { grid-template-columns: repeat(2, 1fr); }
    .nav-links { display: none; }
    section { padding: 8rem 5% 4rem; }
    h1 { font-size: 3.5rem; }
    .split-panels { flex-direction: column; }
    .panel { min-height: 60vh; }
    .panel-overlay { padding: 4rem 2rem 2rem; }
}

/* Animations */
.animate-on-scroll { opacity: 0; transform: translateY(50px); transition: all 1s cubic-bezier(0.16, 1, 0.2, 1); }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
