/* Steps Ventures — DIANA Cohort Intelligence Proposal */
/* Evolved from NATO DIANA platform design system */

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

:root {
    --bg-primary: #08080f;
    --bg-secondary: #0e0e1a;
    --bg-card: #141425;
    --bg-card-hover: #1a1a35;
    --border: #1f1f3a;
    --border-light: #2a2a4a;
    --text-primary: #e8e8f0;
    --text-secondary: #9999b0;
    --text-muted: #5a5a75;
    --accent: #2563eb;
    --accent-light: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.25);
    --nato-blue: #004990;
    --nato-blue-light: #0066cc;
    --gold: #C5A55A;
    --gold-light: #D4B96A;
    --gold-glow: rgba(197, 165, 90, 0.2);
    --success: #00c853;
    --warning: #ffab00;
    --danger: #ff5252;
    --white: #ffffff;
    --tier-base: #3b82f6;
    --tier-deep: #C5A55A;
    --tier-premium: #a855f7;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { color: #60a5fa; }

/* ============================================================
   NAV
   ============================================================ */

.topnav {
    background: rgba(14, 14, 26, 0.92);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.nav-left { display: flex; align-items: center; gap: 16px; }
.logo {
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: white;
}
.nav-right { display: flex; gap: 2px; align-items: center; }
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--white); background: var(--accent-glow); }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 22px;
    cursor: pointer;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container { max-width: 1200px; margin: 0 auto; padding: 32px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 32px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 32px; }
.section { padding: 80px 0; }
.section + .section { border-top: 1px solid var(--border); }

/* ============================================================
   HERO — LANDING
   ============================================================ */

.hero {
    text-align: center;
    padding: 100px 32px 80px;
    background: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.12) 0%, transparent 60%);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 50%; transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(197, 165, 90, 0.05) 0%, transparent 70%);
    pointer-events: none;
}
.hero-badge {
    display: inline-block;
    background: var(--accent-glow);
    border: 1px solid rgba(37, 99, 235, 0.35);
    color: var(--accent-light);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    padding: 6px 20px;
    border-radius: 20px;
    margin-bottom: 28px;
}
.hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: -1.5px;
}
.hero h1 .highlight { color: var(--gold); }
.hero h1 .highlight-blue { color: var(--accent-light); }
.hero p.subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 48px;
    line-height: 1.7;
}
.hero-ctas {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================================
   STATS BAR
   ============================================================ */

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-value {
    font-size: 44px;
    font-weight: 800;
    color: var(--white);
    display: block;
    line-height: 1.2;
}
.stat-value .unit { color: var(--gold); font-size: 28px; }
.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
    display: block;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
}
.btn-primary:hover { opacity: 0.9; color: white; transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1a1a2e;
}
.btn-gold:hover { opacity: 0.9; color: #1a1a2e; transform: translateY(-1px); }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--accent-light); color: var(--accent-light); }
.btn-lg { padding: 14px 36px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ============================================================
   CARDS
   ============================================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
    margin: 32px 0;
}
.card-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
}
.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 32px 0;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    transition: all 0.25s;
}
.card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.card-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}
.card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.card .card-stat {
    display: inline-block;
    margin-top: 14px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-light);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.section-header {
    margin-bottom: 40px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.section-header p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}
.section-header .badge {
    display: inline-block;
    background: var(--gold-glow);
    border: 1px solid rgba(197, 165, 90, 0.3);
    color: var(--gold);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 14px;
    margin-bottom: 16px;
}
.section-header-center { text-align: center; }
.section-header-center p { margin-left: auto; margin-right: auto; }

/* ============================================================
   PROBLEM CARDS
   ============================================================ */

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 48px 0;
}
.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--danger);
    opacity: 0.7;
}
.problem-number {
    font-size: 48px;
    font-weight: 800;
    color: rgba(255, 82, 82, 0.15);
    position: absolute;
    top: 16px;
    right: 20px;
}
.problem-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.problem-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================================
   PRICING TABLE
   ============================================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px;
    position: relative;
    transition: all 0.3s;
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0,0,0,0.4);
}
.pricing-card.featured {
    border-color: var(--gold);
    box-shadow: 0 0 0 1px var(--gold), 0 8px 32px var(--gold-glow);
}
.pricing-card.featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1a1a2e;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    padding: 4px 16px;
    border-radius: 10px;
}
.pricing-tier {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.tier-base .pricing-tier { color: var(--tier-base); }
.tier-deep .pricing-tier { color: var(--tier-deep); }
.tier-premium .pricing-tier { color: var(--tier-premium); }

.pricing-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}
.pricing-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}
.pricing-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 4px;
}
.pricing-price .currency { font-size: 20px; color: var(--text-secondary); }
.pricing-price .period { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}
.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.pricing-features li::before {
    content: '\2713';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================================
   CASE STUDY
   ============================================================ */

.case-hero {
    text-align: center;
    padding: 80px 32px 60px;
    background: radial-gradient(ellipse at 50% 0%, rgba(197, 165, 90, 0.1) 0%, transparent 60%);
    border-bottom: 1px solid var(--border);
}
.case-hero h1 {
    font-size: 44px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.case-hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.case-metric-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin: -30px 32px 40px;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
}
.case-metric {
    text-align: center;
}
.case-metric .value {
    font-size: 32px;
    font-weight: 800;
    color: var(--gold);
}
.case-metric .label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

.deliverable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 32px 0;
}
.deliverable-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    transition: all 0.25s;
}
.deliverable-card:hover {
    border-color: var(--gold);
    background: var(--bg-card-hover);
}
.deliverable-card .tab-num {
    display: inline-block;
    width: 28px;
    height: 28px;
    background: var(--gold-glow);
    border: 1px solid rgba(197, 165, 90, 0.3);
    border-radius: 8px;
    text-align: center;
    line-height: 28px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 14px;
}
.deliverable-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.deliverable-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.deliverable-card ul {
    list-style: none;
    padding: 0;
    margin-top: 12px;
}
.deliverable-card ul li {
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.deliverable-card ul li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
    flex-shrink: 0;
}

/* ============================================================
   TECHNOLOGY PAGE
   ============================================================ */

.pipeline-flow {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin: 40px 0;
    overflow-x: auto;
    padding-bottom: 16px;
}
.pipeline-stage {
    flex: 1;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    position: relative;
    text-align: center;
}
.pipeline-stage + .pipeline-stage { margin-left: -1px; }
.pipeline-stage .stage-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}
.pipeline-stage h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.pipeline-stage p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}
.pipeline-arrow {
    flex-shrink: 0;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 20px;
    padding-top: 28px;
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin: 32px 0;
}
.tech-chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.tech-chip .chip-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.tech-chip .chip-icon.blue { background: rgba(37, 99, 235, 0.15); }
.tech-chip .chip-icon.gold { background: var(--gold-glow); }
.tech-chip .chip-icon.green { background: rgba(0, 200, 83, 0.15); }
.tech-chip .chip-icon.purple { background: rgba(168, 85, 247, 0.15); }
.tech-chip h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 2px;
}
.tech-chip p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================================
   CONTACT / FORM
   ============================================================ */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 12px 16px;
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-light);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); color: var(--text-primary); }

/* ============================================================
   TABLE
   ============================================================ */

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}
.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
.data-table td { color: var(--text-secondary); }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ============================================================
   CALLOUT
   ============================================================ */

.callout {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    border-radius: 0 12px 12px 0;
    padding: 24px 28px;
    margin: 32px 0;
}
.callout h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 8px;
}
.callout p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.callout-blue {
    border-left-color: var(--accent-light);
}
.callout-blue h4 { color: var(--accent-light); }

/* ============================================================
   CTA BANNER
   ============================================================ */

.cta-banner {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(197, 165, 90, 0.1));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    margin: 48px 0;
}
.cta-banner h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}
.cta-banner p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

/* ============================================================
   TIMELINE
   ============================================================ */

.timeline {
    position: relative;
    padding-left: 32px;
    margin: 32px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border);
}
.timeline-item {
    position: relative;
    padding-bottom: 28px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
}
.timeline-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}
.timeline-item .date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.timeline-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    border-top: 1px solid var(--border);
    padding: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}
.footer a { color: var(--text-secondary); }

/* ============================================================
   LOGIN
   ============================================================ */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 50% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
}
.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-box h1 {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}
.login-box p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}
.login-box input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    margin-bottom: 16px;
    text-align: center;
}
.login-box input:focus {
    border-color: var(--accent-light);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.login-box .error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 12px;
}
.login-box button {
    width: 100%;
}

/* ============================================================
   SUCCESS MESSAGE
   ============================================================ */

.success-msg {
    background: rgba(0, 200, 83, 0.1);
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: 12px;
    padding: 20px 24px;
    text-align: center;
    color: var(--success);
    font-weight: 600;
    margin-bottom: 24px;
}

/* ============================================================
   COMPARISON ROW
   ============================================================ */

.compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 32px 0;
}
.compare-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
}
.compare-box.before { border-top: 3px solid var(--danger); }
.compare-box.after { border-top: 3px solid var(--success); }
.compare-box h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.compare-box ul {
    list-style: none;
    padding: 0;
}
.compare-box ul li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.compare-box.before ul li::before {
    content: '\2717';
    color: var(--danger);
    font-weight: 700;
    flex-shrink: 0;
}
.compare-box.after ul li::before {
    content: '\2713';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================================
   SANKEY DIAGRAM
   ============================================================ */

.sankey-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin: 32px 0;
    overflow-x: auto;
}
.sankey-svg {
    width: 100%;
    max-width: 960px;
    height: auto;
    display: block;
    margin: 0 auto;
}
.sankey-node {
    transition: opacity 0.3s;
}
.sankey-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}
.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* ============================================================
   QUOTE BLOCK
   ============================================================ */

.quote-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    position: relative;
    margin: 48px 0;
}
.quote-block::before {
    content: '\201C';
    position: absolute;
    top: 16px;
    left: 32px;
    font-size: 80px;
    color: var(--gold);
    opacity: 0.2;
    line-height: 1;
    font-family: Georgia, serif;
}
.quote-block blockquote {
    font-size: 20px;
    color: var(--text-primary);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto 20px;
    font-style: italic;
}
.quote-highlight {
    color: var(--gold);
    font-weight: 700;
    font-style: normal;
}
.quote-attribution {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}
.quote-source {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
}


/* ============================================================
   TESTIMONIALS
   ============================================================ */

.testimonial-card {
    border-left: 3px solid var(--gold);
}
.testimonial-text {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 16px;
}
.testimonial-attr {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ============================================================
   TEAM PAGE
   ============================================================ */

.team-card { position: relative; }
.team-avatar {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: white;
    margin-bottom: 16px;
}
.team-role {
    font-size: 13px;
    color: var(--accent-light);
    font-weight: 600;
}
.credential-chip {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

/* ============================================================
   SCREENSHOT PLACEHOLDERS
   ============================================================ */

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 32px 0;
}
.screenshot-card {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}
.screenshot-placeholder {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    aspect-ratio: 16/10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    position: relative;
}
.screenshot-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.screenshot-hint {
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 280px;
    line-height: 1.5;
}
.screenshot-tag {
    position: absolute;
    bottom: 12px;
    font-size: 10px;
    color: var(--text-muted);
    font-family: monospace;
    background: rgba(0,0,0,0.3);
    padding: 2px 8px;
    border-radius: 4px;
}

/* ============================================================
   EXECUTIVE SUMMARY
   ============================================================ */

.exec-section {
    margin-bottom: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
}
.exec-h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}
.exec-section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}
.exec-list {
    list-style: none;
    padding: 0;
    margin-top: 12px;
}
.exec-list li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.exec-list li::before {
    content: '\25B8';
    color: var(--accent-light);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}
.exec-proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
}
.exec-proof-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}
.exec-proof-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 6px;
}
.exec-proof-label {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */

@media print {
    body { background: white; color: #1a1a1a; }
    .topnav, .footer, .nav-toggle, .btn, .cta-banner,
    .callout-blue, .screenshot-tag { display: none !important; }
    .hero, .case-hero { background: none; border: none; padding: 24px 0; }
    .hero h1, .case-hero h1 { color: #1a1a1a; font-size: 28px; }
    .hero p.subtitle, .case-hero p { color: #444; }
    .hero-badge { background: #f0f0f0; color: #666; border-color: #ccc; }
    .container, .container-narrow { padding: 0; max-width: 100%; }
    .card, .pricing-card, .compare-box, .callout, .deliverable-card,
    .problem-card, .exec-proof-item, .screenshot-placeholder {
        background: white;
        border-color: #ddd;
        box-shadow: none;
        break-inside: avoid;
    }
    .card h3, .pricing-name, .compare-box h3, .exec-h2,
    .section-header h2 { color: #1a1a1a; }
    .card p, .pricing-desc, .pricing-features li, .compare-box ul li,
    .exec-section p, .callout p, .deliverable-card p { color: #444; }
    .stat-value, .case-metric .value, .exec-proof-num, .pricing-price { color: #1a1a1a; }
    .stat-label, .case-metric .label, .pricing-tier { color: #888; }
    .badge, .card-stat { background: #f0f0f0; color: #666; border-color: #ccc; }
    .data-table th { color: #888; }
    .data-table td { color: #444; }
    a { color: #1a1a1a; text-decoration: underline; }
    .pricing-card.featured { border-color: #999; box-shadow: none; }
    .pricing-card.featured::before { background: #666; color: white; }
    .compare-box.before { border-top-color: #cc4444; }
    .compare-box.after { border-top-color: #44aa44; }
    .exec-proof-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
    .problem-grid { grid-template-columns: 1fr; }
    .card-grid-3 { grid-template-columns: 1fr; }
    .compare-row { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .screenshot-grid { grid-template-columns: 1fr; }
    .exec-proof-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .topnav { padding: 0 16px; }
    .nav-toggle { display: block; }
    .nav-right {
        display: none;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: rgba(14, 14, 26, 0.98);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 12px;
    }
    .nav-right.open { display: flex; }
    .hero { padding: 60px 20px 50px; }
    .hero h1 { font-size: 36px; }
    .container, .container-narrow, .container-wide { padding: 20px 16px; }
    .stats-bar { gap: 32px; }
    .pipeline-flow { flex-direction: column; }
    .pipeline-arrow { transform: rotate(90deg); width: auto; padding: 8px 0; }
    .form-grid { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }
}
