/* ========================================
   SWARM LABS USA — Design System
   ======================================== */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1523;
    --bg-card: #141b2d;
    --bg-card-hover: #1a2340;
    --border: #1e2a45;
    --border-light: #2a3a5c;
    --text-primary: #e8edf5;
    --text-secondary: #8892a8;
    --text-muted: #5a6478;
    --accent: #00e5ff;
    --accent-dim: rgba(0, 229, 255, 0.15);
    --accent-glow: rgba(0, 229, 255, 0.3);
    --green: #00e676;
    --red: #ff5252;
    --amber: #ffab40;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    white-space: nowrap;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
    opacity: 1;
}

.nav-cta {
    background: var(--accent);
    color: var(--bg-primary) !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
}

.nav-cta:hover {
    opacity: 0.9 !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 999;
    flex-direction: column;
    gap: 12px;
}

.mobile-menu a {
    color: var(--text-secondary);
    font-size: 16px;
    padding: 8px 0;
}

.mobile-menu.active {
    display: flex;
}

/* ========================================
   Hero
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 6px 16px;
    border-radius: 4px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.accent {
    color: var(--accent);
}

.hero-sub {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    box-shadow: 0 0 24px var(--accent-glow);
    opacity: 1;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    opacity: 1;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ========================================
   Sections
   ======================================== */

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 660px;
    margin: 0 auto 64px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent);
    display: block;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

/* ========================================
   Outcomes (What This Means)
   ======================================== */

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.outcome-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s;
}

.outcome-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.outcome-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 10px;
    margin-bottom: 20px;
    color: var(--accent);
}

.outcome-icon svg {
    width: 24px;
    height: 24px;
}

.outcome-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.outcome-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Solutions
   ======================================== */

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s;
}

.solution-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-light);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.solution-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--accent);
    background: var(--accent-dim);
}

.solution-icon svg {
    width: 20px;
    height: 20px;
}

.solution-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--accent);
}

.solution-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.solution-problem {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.solution-answer {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-problem strong {
    color: var(--amber);
}

.solution-answer strong {
    color: var(--green);
}

/* Reuse domain-features for solution cards */
.domain-features {
    list-style: none;
}

.domain-features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.domain-features li::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ========================================
   Case Study
   ======================================== */

.case-study-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.case-study-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--green));
}

.case-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.case-study-card > h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    max-width: 600px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.case-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.case-section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.case-results {
    list-style: none;
}

.case-results li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.case-results li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 7px;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.case-stat {
    text-align: center;
}

.case-stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}

.case-stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   Pipeline
   ======================================== */

.pipeline {
    max-width: 700px;
    margin: 0 auto;
}

.pipeline-step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    position: relative;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-tag {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--amber);
    background: rgba(255, 171, 64, 0.1);
    padding: 3px 10px;
    border-radius: 4px;
}

.free-tag {
    color: var(--green);
    background: rgba(0, 230, 118, 0.1);
}

.audit-tag {
    color: var(--accent);
    background: var(--accent-dim);
}

.pipeline-connector {
    width: 2px;
    height: 24px;
    background: var(--border);
    margin: 0 auto;
}

.pipeline-bottom {
    max-width: 700px;
    margin: 40px auto 0;
    text-align: center;
}

.pipeline-note {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* ========================================
   Differentiators
   ======================================== */

.diff-grid {
    display: grid;
    gap: 32px;
}

.diff-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.diff-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px;
    background: rgba(0, 229, 255, 0.03);
    border-bottom: 1px solid var(--border);
}

.diff-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    padding: 4px 12px;
    border-radius: 4px;
}

.diff-us {
    color: var(--accent);
    background: var(--accent-dim);
}

.diff-them {
    color: var(--text-muted);
    background: rgba(90, 100, 120, 0.15);
}

.diff-vs {
    font-size: 12px;
    color: var(--text-muted);
}

.diff-compare {
    padding: 8px;
}

.diff-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
}

.diff-row + .diff-row {
    border-top: 1px solid var(--border);
}

.diff-ours,
.diff-theirs {
    padding: 16px 20px;
    font-size: 14px;
}

.diff-ours {
    color: var(--text-primary);
}

.diff-theirs {
    color: var(--text-muted);
    text-decoration: line-through;
    text-decoration-color: rgba(255, 82, 82, 0.3);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ========================================
   SBIR
   ======================================== */

.sbir-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.sbir-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.sbir-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
}

.sbir-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.sbir-certs {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.cert {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.cert-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.cert-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

/* ========================================
   Contact
   ======================================== */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 16px 0;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--text-secondary);
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.footer-brand p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-legal p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .outcomes-grid,
    .solutions-grid,
    .sbir-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .diff-row {
        grid-template-columns: 1fr;
    }

    .diff-theirs {
        border-top: 1px dashed var(--border);
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .sbir-certs {
        flex-direction: column;
        gap: 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .pipeline-step {
        flex-direction: column;
    }

    .step-tag {
        position: static;
        align-self: flex-start;
        margin-top: 8px;
    }

    .section {
        padding: 64px 0;
    }

    .case-study-card {
        padding: 28px;
    }

    .case-study-card > h3 {
        font-size: 20px;
    }

    .case-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }
}