:root {
    --bg-color: #0a0e14;
    --bg-elevated: #111820;
    --surface-color: #161b22;
    --accent-color: #00d2ff;
    --accent-hover: #00b8e0;
    --accent-glow: rgba(0, 210, 255, 0.15);
    --accent-subtle: rgba(0, 210, 255, 0.08);
    --text-primary: #f0f4f8;
    --text-secondary: #8b95a5;
    --text-muted: #5a6370;
    --border-color: #1e2530;
    --border-hover: #2a3342;
    --success: #34d399;
    --warning: #f59e0b;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 210, 255, 0.1);
}

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

body {
    background: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }
p { color: var(--text-secondary); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 2rem; }

/* Buttons */
.btn {
    display: inline-block; padding: 0.9rem 2rem; border-radius: 6px;
    font-weight: 600; font-size: 0.95rem; cursor: pointer;
    transition: var(--transition); border: none; text-align: center;
}
.btn-sm { padding: 0.55rem 1.4rem; font-size: 0.85rem; }
.btn-primary {
    background: var(--accent-color); color: var(--bg-color);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 210, 255, 0.25);
}
.btn-outline {
    background: transparent; border: 1px solid var(--border-hover); color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--accent-color); color: var(--accent-color); }
.btn-ghost {
    background: transparent; color: var(--text-secondary); padding: 0.9rem 1rem;
}
.btn-ghost:hover { color: var(--accent-color); }

/* Header */
header {
    padding: 1rem 0; position: fixed; width: 100%; top: 0; z-index: 1000;
    background: rgba(10, 14, 20, 0.85); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.25rem; font-weight: 900; letter-spacing: 0.5px; }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
.nav-links a:hover { color: var(--text-primary); }

/* Hero */
.hero {
    padding: 11rem 0 5rem; text-align: center; position: relative;
}
.hero::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 800px; height: 500px;
    background: radial-gradient(ellipse, rgba(0, 210, 255, 0.07) 0%, transparent 70%);
    z-index: -1;
}
.hero h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); margin-bottom: 1.25rem; }
.hero-sub { font-size: 1.15rem; max-width: 620px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-btns { display: flex; gap: 0.75rem; justify-content: center; margin-bottom: 3.5rem; flex-wrap: wrap; }

.hero-stats {
    display: flex; justify-content: center; align-items: center; gap: 2.5rem;
    padding: 1.5rem 2.5rem; background: var(--surface-color);
    border: 1px solid var(--border-color); border-radius: 12px;
    display: inline-flex; margin: 0 auto;
}
.stat { text-align: center; }
.stat-number { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent-color); }
.stat-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); font-weight: 600; }
.stat-divider { width: 1px; height: 36px; background: var(--border-color); }

/* Sections */
section { padding: 6rem 0; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { font-size: 2.25rem; margin-bottom: 0.75rem; }
.section-desc { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.tagline {
    color: var(--accent-color); text-transform: uppercase; font-size: 0.8rem;
    font-weight: 700; letter-spacing: 2.5px; display: block; margin-bottom: 0.75rem;
}

/* Problem */
#problem { background: var(--bg-elevated); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.problem-card {
    background: var(--surface-color); padding: 2.5rem; border-radius: 10px;
    border: 1px solid var(--border-color); transition: var(--transition);
}
.problem-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.problem-card .icon { font-size: 1.75rem; margin-bottom: 1.25rem; }
.problem-card h3 { font-size: 1.2rem; margin-bottom: 0.75rem; font-weight: 700; }

/* Solution */
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.solution-card {
    padding: 2.25rem; border-radius: 10px; border: 1px solid var(--border-color);
    transition: var(--transition); position: relative;
}
.solution-card:hover { border-color: var(--border-hover); background: var(--accent-subtle); }
.solution-icon { font-size: 1.5rem; margin-bottom: 1rem; }
.solution-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; font-weight: 700; }
.solution-card p { font-size: 0.92rem; }

/* Data Preview */
#data-preview { background: var(--bg-elevated); }
.data-table-wrapper { max-width: 700px; margin: 0 auto; }
.data-table {
    background: var(--surface-color); border: 1px solid var(--border-color);
    border-radius: 12px; overflow: hidden;
}
.data-row {
    display: grid; grid-template-columns: 180px 1fr;
    padding: 0.85rem 1.5rem; border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem; align-items: center;
}
.data-row:last-child { border-bottom: none; }
.data-header {
    background: rgba(0, 210, 255, 0.06); font-weight: 700; font-size: 0.8rem;
    text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted);
}
.field-name { color: var(--text-secondary); font-weight: 600; }
.highlight-row { background: rgba(0, 210, 255, 0.04); }
.highlight-row span:last-child { color: var(--text-muted); letter-spacing: 1px; }
.trigger-row { background: rgba(245, 158, 11, 0.06); }
.trigger-row .field-name { color: var(--warning); }
.lead-score {
    display: inline-block; background: var(--accent-color); color: var(--bg-color);
    padding: 0.2rem 0.75rem; border-radius: 4px; font-weight: 700; font-size: 0.85rem;
}
.data-note { text-align: center; margin-top: 1.25rem; font-size: 0.8rem; color: var(--text-muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.step { position: relative; }
.step-number {
    font-size: 3.5rem; font-weight: 900; color: rgba(0, 210, 255, 0.08);
    line-height: 1; margin-bottom: 1rem;
}
.step-content h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.step-content p { font-size: 0.92rem; }

/* ROI */
#roi { background: var(--bg-elevated); }
.roi-grid {
    display: flex; justify-content: center; align-items: center; gap: 2rem;
    margin-bottom: 2rem; flex-wrap: wrap;
}
.roi-card {
    background: var(--surface-color); border: 1px solid var(--border-color);
    border-radius: 10px; padding: 2rem 2.5rem; text-align: center;
}
.roi-label { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); font-weight: 600; margin-bottom: 0.5rem; }
.roi-value { display: block; font-size: 1.75rem; font-weight: 800; color: var(--text-primary); }
.roi-arrow { font-size: 1.5rem; color: var(--accent-color); font-weight: 700; }
.roi-bottom {
    text-align: center; max-width: 650px; margin: 0 auto;
    font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7;
}

/* Pricing */
.pricing-card {
    background: linear-gradient(160deg, var(--surface-color) 0%, var(--bg-color) 100%);
    border: 1px solid var(--accent-color); max-width: 480px; margin: 0 auto;
    padding: 3rem; border-radius: 12px; text-align: center;
    box-shadow: var(--shadow-glow); position: relative;
}
.pricing-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--accent-color); color: var(--bg-color);
    padding: 0.3rem 1.25rem; border-radius: 20px; font-size: 0.75rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.pricing-card h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.pricing-desc { font-size: 0.88rem; margin-bottom: 1.5rem; }
.price { font-size: 3.5rem; font-weight: 900; margin: 0.75rem 0; }
.price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-features { margin: 1.5rem 0; text-align: left; }
.pricing-features li {
    margin-bottom: 0.6rem; display: flex; align-items: center;
    font-size: 0.9rem; color: var(--text-secondary);
}
.pricing-features li::before {
    content: '✓'; color: var(--success); margin-right: 0.75rem; font-weight: 700;
}
.pricing-note { margin-top: 1rem; font-size: 0.8rem; color: var(--text-muted); }

/* FAQ */
#faq { background: var(--bg-elevated); }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--border-color); padding: 1.75rem 0;
}
.faq-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.faq-item p { font-size: 0.9rem; line-height: 1.7; }

/* CTA */
.cta-section {
    background: var(--surface-color); padding: 4rem 3rem; text-align: center;
    border-radius: 16px; border: 1px solid var(--border-color);
}
.cta-section h2 { font-size: 2rem; margin-bottom: 0.75rem; }
.cta-section > p { margin-bottom: 2rem; font-size: 1.05rem; }
#sample-form {
    display: flex; gap: 0.75rem; max-width: 600px; margin: 0 auto; flex-wrap: wrap;
    justify-content: center;
}
#sample-form input {
    padding: 0.85rem 1rem; border-radius: 6px; border: 1px solid var(--border-color);
    background: var(--bg-color); color: var(--text-primary); flex: 1; min-width: 170px;
    font-size: 0.9rem; font-family: var(--font-main);
}
#sample-form input:focus { outline: none; border-color: var(--accent-color); }
#sample-form .btn { min-width: 200px; }
.cta-alt { margin-top: 1.25rem; font-size: 0.85rem; color: var(--text-muted); }
.cta-alt a { color: var(--accent-color); text-decoration: underline; }

/* Footer */
footer { padding: 3rem 0; border-top: 1px solid var(--border-color); }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 2rem; flex-wrap: wrap; gap: 1.5rem; }
.footer-logo { font-weight: 900; font-size: 1.1rem; margin-bottom: 0.25rem; }
.footer-logo span { color: var(--accent-color); }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent-color); }
.footer-copy { font-size: 0.75rem; color: var(--text-muted); opacity: 0.6; }

/* Animations */
.reveal { opacity: 0; transform: translateY(20px); transition: all 0.6s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links a:not(.btn) { display: none; }
    .hero { padding: 8rem 0 4rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero-stats { flex-direction: column; gap: 1rem; padding: 1.5rem; }
    .stat-divider { width: 40px; height: 1px; }
    .problem-grid { grid-template-columns: 1fr; }
    .solution-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; gap: 2rem; }
    .roi-grid { flex-direction: column; }
    .roi-arrow { transform: rotate(90deg); }
    .data-row { grid-template-columns: 130px 1fr; padding: 0.75rem 1rem; font-size: 0.82rem; }
    .cta-section { padding: 2.5rem 1.5rem; }
    .footer-content { flex-direction: column; }
    section { padding: 4rem 0; }
}