/* AUANI - Clean, Minimal CSS */

:root {
    --primary: #000;
    --accent: #4CAF50;
    --text: #212121;
    --text-light: #757575;
    --light: #F5F5F5;
    --lighter: #FAFAFA;
    --white: #FFF;
    --border: #E0E0E0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--lighter);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
p { margin-bottom: 1rem; line-height: 1.7; }
strong { font-weight: 600; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--primary); text-decoration: underline; }

/* Navigation */
.nav { background: var(--white); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 1000; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.nav-brand { font-size: 1.5rem; font-weight: 700; }
.nav-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.nav-link { color: var(--text); font-weight: 500; font-size: 0.9rem; }
.nav-link:hover { color: var(--accent); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary) 0%, #1a1a1a 100%); color: var(--white); padding: 4rem 0; border-bottom: 4px solid var(--accent); }
.hero-content { text-align: center; }
.hero-title { font-size: 4rem; font-weight: 900; margin-bottom: 1rem; letter-spacing: -2px; text-transform: uppercase; }
.hero-subtitle { font-size: 1.5rem; margin-bottom: 2rem; opacity: 0.95; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero-meta { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.meta-item { background: rgba(255,255,255,0.1); padding: 0.5rem 1rem; border-radius: 4px; font-size: 0.9rem; border: 1px solid rgba(255,255,255,0.2); }
.hero-links { display: flex; justify-content: center; gap: 2rem; margin-top: 3rem; flex-wrap: wrap; }
.hero-link { background: var(--accent); color: var(--white); padding: 1rem 2rem; border-radius: 4px; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; transition: all 0.2s; box-shadow: var(--shadow); }
.hero-link:hover { background: #45a049; transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* Sections */
.section { padding: 4rem 0; background: var(--white); }
.section:nth-child(even) { background: var(--lighter); }
.section-alt { background: var(--lighter); }
.section-title { font-size: 2.5rem; font-weight: 900; margin-bottom: 3rem; text-align: center; text-transform: uppercase; letter-spacing: -1px; }
.section-intro { text-align: center; color: var(--text-light); font-size: 1.1rem; margin-bottom: 3rem; max-width: 800px; margin-left: auto; margin-right: auto; }

/* Content Block */
.content-block { background: var(--white); padding: 3rem; border-radius: 12px; box-shadow: var(--shadow); }
.content-block h3 { font-size: 1.8rem; margin-bottom: 2rem; }
.content-block h4 { font-size: 1.3rem; margin-top: 3rem; margin-bottom: 2rem; text-transform: uppercase; letter-spacing: 0.5px; }
.content-block h4:first-of-type { margin-top: 0; }
.lead { font-size: 1.1rem; color: var(--accent); font-weight: 600; margin-bottom: 2rem; line-height: 1.8; }

/* Feature Grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.feature-card { background: var(--lighter); padding: 3rem; border-radius: 12px; text-align: center; border-top: 4px solid var(--accent); transition: all 0.3s; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); background: var(--white); }
.feature-card i { color: var(--accent); margin-bottom: 2rem; display: block; font-size: 3rem; }
.feature-card h4 { margin: 0 0 1rem 0; font-size: 1.2rem; }
.feature-card p { color: var(--text-light); margin: 0; }

/* Pricing Grid */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.pricing-card { padding: 3rem; border-radius: 12px; box-shadow: var(--shadow); border-left: 4px solid var(--accent); transition: all 0.3s; }
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card h4 { font-size: 1.5rem; margin: 0 0 0.5rem 0; }
.pricing-card small { display: block; margin-top: 0.5rem; font-size: 0.8rem; }
.pricing-card .price { font-size: 2.5rem; font-weight: 900; color: var(--accent); margin: 2rem 0; }
.pricing-card ul { list-style: none; }
.pricing-card li { padding: 1rem 0; color: var(--text-light); line-height: 1.6; display: flex; align-items: flex-start; gap: 0.5rem; }
.pricing-card i { color: #4CAF50; flex-shrink: 0; margin-top: 2px; }
.card-primary { background: #E3F2FD; }
.card-success { background: #E8F5E9; }

/* Additional Points */
.additional-points { background: var(--lighter); padding: 3rem; border-radius: 12px; border-left: 4px solid var(--accent); margin-bottom: 3rem; }
.additional-points p { margin-bottom: 2rem; color: var(--text-light); line-height: 1.8; }
.additional-points p:last-child { margin-bottom: 0; }
.additional-points strong { display: block; margin-bottom: 0.5rem; }

/* Tabs */
.tabs { margin-top: 3rem; }
.tab-buttons { display: flex; gap: 1rem; margin-bottom: 2rem; border-bottom: 2px solid var(--border); flex-wrap: wrap; overflow-x: auto; }
.tab-btn { background: none; border: none; padding: 1rem 2rem; font-size: 1rem; font-weight: 600; color: var(--text-light); cursor: pointer; border-bottom: 3px solid transparent; transition: all 0.2s; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; }
.tab-btn:hover { color: var(--accent); background: rgba(76,175,80,0.05); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: rgba(76,175,80,0.1); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-content h3 { font-size: 1.8rem; margin-bottom: 2rem; }

/* FAQ */
.faq-tabs { margin-top: 3rem; }
.faq-buttons { display: flex; gap: 1rem; margin-bottom: 2rem; border-bottom: 2px solid var(--border); flex-wrap: wrap; overflow-x: auto; }
.faq-btn { background: none; border: none; padding: 1rem 2rem; font-size: 0.95rem; font-weight: 600; color: var(--text-light); cursor: pointer; border-bottom: 3px solid transparent; transition: all 0.2s; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; }
.faq-btn:hover { color: var(--accent); background: rgba(76,175,80,0.05); }
.faq-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: rgba(76,175,80,0.1); }
.faq-content { display: none; }
.faq-content.active { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.faq-card { background: var(--white); padding: 2rem; border-radius: 8px; box-shadow: var(--shadow); border-left: 4px solid var(--accent); transition: all 0.3s; }
.faq-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.faq-card h5 { font-size: 1.05rem; margin-bottom: 1rem; font-weight: 600; }
.faq-card p { color: var(--text-light); font-size: 0.95rem; margin: 0; }

/* Cards */
.card { background: var(--white); padding: 2rem; border-radius: 12px; box-shadow: var(--shadow); transition: all 0.3s; }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }

/* Overview */
.overview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 4rem; }
.overview-card { padding: 2rem; border-radius: 12px; box-shadow: var(--shadow); transition: all 0.3s; }
.overview-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.overview-card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.overview-card p { color: var(--text-light); line-height: 1.7; }

/* Phase Cards */
.phase-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.phase-card { background: var(--white); padding: 2rem; border-radius: 8px; box-shadow: var(--shadow); border-top: 4px solid var(--accent); transition: all 0.3s; }
.phase-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.phase-label { display: inline-block; background: var(--accent); color: var(--white); padding: 0.5rem 1rem; border-radius: 4px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem; }
.phase-card h4 { font-size: 1.3rem; margin-bottom: 1rem; }
.phase-card ul { list-style: none; }
.phase-card li { padding-left: 1.5rem; position: relative; margin-bottom: 0.5rem; line-height: 1.6; }
.phase-card li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* Personas */
.persona-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.persona-card { background: var(--white); padding: 2rem; border-radius: 12px; box-shadow: var(--shadow); transition: all 0.3s; }
.persona-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.persona-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 2px solid var(--border); }
.persona-icon { font-size: 2rem; color: var(--accent); width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; background: var(--light); border-radius: 50%; }
.persona-header h3 { margin: 0; font-size: 1.5rem; }
.persona-section { margin-bottom: 2rem; }
.persona-section h4 { font-size: 0.9rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.5rem; }
.persona-section p { color: var(--text-light); line-height: 1.6; }

/* Tables */
table { width: 100%; border-collapse: collapse; background: var(--white); box-shadow: var(--shadow); border-radius: 8px; overflow: hidden; margin-bottom: 2rem; }
thead { background: var(--primary); color: var(--white); }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 700; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.5px; }
tbody tr:hover { background: var(--lighter); }

/* Code */
.code-sample { background: var(--white); padding: 3rem; border-radius: 8px; box-shadow: var(--shadow); margin-bottom: 3rem; border-left: 4px solid var(--accent); }
.code-sample h4 { margin-bottom: 1rem; font-size: 1.2rem; }
.code-sample p { color: var(--text-light); margin-bottom: 1rem; }
.code-sample pre { background: var(--primary); color: #E0E0E0; padding: 2rem; border-radius: 4px; overflow-x: auto; font-family: 'SF Mono', Monaco, monospace; font-size: 0.85rem; line-height: 1.6; }
.code-sample code { font-family: 'SF Mono', Monaco, monospace; color: var(--accent); }

/* Artifacts */
.artifacts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.artifact-card { background: var(--white); padding: 3rem; border-radius: 12px; box-shadow: var(--shadow); border-top: 4px solid var(--accent); transition: all 0.3s; }
.artifact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.artifact-card h3 { margin-bottom: 2rem; font-size: 1.3rem; }
.artifact-preview { background: var(--lighter); padding: 4rem; text-align: center; border-radius: 8px; color: var(--text-light); border: 2px dashed var(--border); min-height: 150px; display: flex; align-items: center; justify-content: center; margin-bottom: 2rem; }
.artifact-link { color: var(--accent); font-weight: 600; }
.artifact-link:hover { color: var(--primary); text-decoration: underline; }

/* Footer */
.footer { background: var(--primary); color: var(--white); padding: 3rem 0; text-align: center; margin-top: 4rem; }
.footer p { margin: 0.5rem 0; }

/* Utility */
ul, ol { margin-bottom: 2rem; }
li { margin-bottom: 0.5rem; }
hr { border: none; border-top: 2px solid var(--border); margin: 3rem 0; }

/* Pivot Section - 2x2 Grid */
.pivot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.pivot-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--accent);
    transition: all 0.3s;
}
.pivot-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.pivot-card h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.pivot-card h4 i {
    color: var(--accent);
}
.pivot-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Product Features - 3 Column Grid */
.feature-grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Product Research - 2 Column Grid */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .section-title { font-size: 1.8rem; }
    .tab-btn, .faq-btn { width: 100%; text-align: left; }
    .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
    .content-block { padding: 2rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }
    
    /* New responsive */
    .pivot-grid { grid-template-columns: 1fr; }
    .feature-grid-3col { grid-template-columns: 1fr; }
    .research-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .section { padding: 2rem 0; }
    .hero { padding: 2rem 0; }
    .hero-title { font-size: 1.5rem; }
    .content-block { padding: 1.5rem; }
    table { font-size: 0.9rem; }
    th, td { padding: 0.5rem; }
}

@media print {
    .nav, .footer, .tab-buttons, .faq-buttons { display: none; }
    .section { page-break-inside: avoid; box-shadow: none; }
    .tab-content { display: block !important; }
    .faq-content { display: grid !important; }
}