/* ==========================================================================
   CENTOUCH HEALTHCARE — CORE STYLESHEET
   Light Theme Default | Ultra-Clean Medical / Executive Architecture
   Zero Emojis | High-Legibility Typography | Defensive Mobile Responsiveness
   ========================================================================== */

:root {
    --bg-main: #ffffff;
    --bg-alt: #f8fafc;
    --bg-card: #ffffff;
    --bg-accent-subtle: #f0f9ff;
    
    --ink-primary: #0f172a;    /* Deep slate ink (>12:1 contrast) */
    --ink-secondary: #334155;  /* Slate 700 */
    --ink-muted: #64748b;      /* Slate 500 */
    
    --brand-primary: #0284c7;  /* Medical precision blue */
    --brand-dark: #0369a1;     /* Primary hover */
    --brand-accent: #0f766e;   /* Clinical teal */
    --brand-accent-dark: #115e59;
    
    --border-light: #e2e8f0;   /* Hairline border */
    --border-focus: #0284c7;
    
    --status-success: #059669;
    --status-warning: #d97706;
    --status-danger: #dc2626;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Universal Box-Sizing & Root Containment */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    max-width: 100%;
    overflow-x: clip;
}

body {
    background-color: var(--bg-main);
    color: var(--ink-secondary);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.container-narrow {
    width: 100%;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

main {
    flex: 1 0 auto;
}

/* Typography Standards */
h1, h2, h3, h4, h5, h6 {
    color: var(--ink-primary);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.75rem;
    overflow-wrap: break-word;
    word-break: break-word;
}

h1 {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.75rem;
    letter-spacing: -0.015em;
    margin-top: 1.5rem;
}

h3 {
    font-size: 1.35rem;
    margin-top: 1rem;
}

p {
    margin-bottom: 1rem;
    overflow-wrap: break-word;
    word-break: break-word;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--ink-primary);
    font-weight: 400;
}

.text-muted {
    color: var(--ink-muted);
}

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

/* Navigation Bar */
.site-header {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink-primary);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.brand-badge {
    background-color: var(--brand-accent);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--ink-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-primary);
    border-bottom-color: var(--brand-primary);
}

.nav-cta {
    background-color: var(--brand-primary);
    color: #ffffff !important;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    border-bottom: none !important;
}

.nav-cta:hover {
    background-color: var(--brand-dark);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--ink-primary);
    touch-action: manipulation;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    min-height: 48px;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--brand-dark);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--ink-primary);
    border-color: var(--border-light);
}

.btn-secondary:hover {
    background-color: var(--bg-alt);
    border-color: var(--ink-muted);
}

.btn-accent {
    background-color: var(--brand-accent);
    color: #ffffff;
}

.btn-accent:hover {
    background-color: var(--brand-accent-dark);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero-section {
    padding: 60px 0 50px 0;
    background-color: var(--bg-alt);
    border-bottom: 1px solid var(--border-light);
}

.hero-tagline {
    display: inline-block;
    background-color: var(--bg-accent-subtle);
    color: var(--brand-primary);
    border: 1px solid #bae6fd;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.hero-highlight-headline {
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.35;
    color: var(--brand-primary);
    margin-top: 14px;
    margin-bottom: 16px;
    max-width: 920px;
    letter-spacing: -0.015em;
    word-break: break-word;
    overflow-wrap: break-word;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 1.75rem;
}

/* Stat Banner & Grids */
.stats-banner {
    padding: 40px 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--brand-primary);
    line-height: 1.1;
    margin-bottom: 6px;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink-primary);
    margin-bottom: 6px;
}

.stat-sub {
    font-size: 0.85rem;
    color: var(--ink-muted);
    line-height: 1.4;
}

/* Feature Cards & Content Sections */
.section {
    padding: 60px 0;
}

.section-alt {
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    margin-bottom: 2.5rem;
    text-align: left;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    background-color: var(--bg-accent-subtle);
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Pathway Steps */
.step-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 1.5rem;
}

.step-item {
    display: flex;
    gap: 18px;
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 20px;
    min-width: 0;
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--brand-primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content {
    flex: 1 1 auto;
    min-width: 0;
}

/* Form Ergonomics (Zero iOS Zoom) */
.form-card {
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 32px;
    margin-top: 24px;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink-primary);
    margin-bottom: 6px;
}

.form-control, select.form-control, textarea.form-control {
    width: 100%;
    font-size: 16px !important; /* Inviolable iOS auto-zoom defense */
    padding: 12px 14px;
    color: var(--ink-primary);
    background-color: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-family: var(--font-sans);
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.form-hint {
    font-size: 0.825rem;
    color: var(--ink-muted);
    margin-top: 4px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* Data Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    margin: 1.5rem 0;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

table.data-table th {
    background-color: var(--bg-alt);
    color: var(--ink-primary);
    font-weight: 700;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

table.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    color: var(--ink-secondary);
}

table.data-table tr:last-child td {
    border-bottom: none;
}

table.data-table tr:hover td {
    background-color: #f8fafc;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-blue {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge-teal {
    background-color: #ccfbf1;
    color: #0f766e;
}

.badge-slate {
    background-color: #f1f5f9;
    color: #334155;
}

/* Site Footer */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-light);
    padding: 50px 0 30px 0;
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--ink-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--ink-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

/* Mobile Media Queries (< 768px) */
@media (max-width: 768px) {
    h1 { font-size: 1.85rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero-highlight-headline {
        font-size: 1.25rem;
        line-height: 1.4;
        margin-top: 12px;
        margin-bottom: 14px;
    }

    .site-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: #ffffff;
        border-bottom: 1px solid var(--border-light);
        padding: 20px;
        gap: 12px;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    }

    .site-nav.open {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .form-card {
        padding: 20px;
    }

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

    /* Table Card Reflow */
    table.data-table thead {
        display: none;
    }

    table.data-table, 
    table.data-table tbody, 
    table.data-table tr, 
    table.data-table td {
        display: block;
        width: 100%;
    }

    table.data-table tr {
        margin-bottom: 16px;
        border: 1px solid var(--border-light);
        border-radius: 6px;
        background-color: #ffffff;
    }

    table.data-table td {
        display: flex;
        justify-content: space-between;
        padding: 10px 14px;
        border-bottom: 1px solid #f1f5f9;
    }
}

/* ==========================================================================
   INDUSTRIAL / INSTITUTIONAL ARCHITECTURE STYLES (BLACK & WHITE / B2B)
   Stark High-Contrast Typography | Monospace Spec Labels | Zero Shadows
   ========================================================================== */

/* Industrial Badges */
.badge-industrial {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #09090b;
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid #09090b;
}

.badge-industrial-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #f4f4f5;
    color: #18181b;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid #d4d4d8;
}

/* Industrial Action Buttons */
.btn-industrial {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #09090b;
    color: #ffffff;
    border: 1px solid #09090b;
    padding: 13px 26px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    min-height: 48px;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-industrial:hover {
    background-color: #27272a;
    border-color: #27272a;
    color: #ffffff;
}

.btn-industrial-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #ffffff;
    color: #09090b;
    border: 1px solid #09090b;
    padding: 13px 26px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    min-height: 48px;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-industrial-outline:hover {
    background-color: #f4f4f5;
}

/* Hospital Hero Action Pills (Single Row on Desktop) */
.hospital-hero-pills {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    margin-bottom: 28px;
    flex-wrap: nowrap;
}

.hospital-hero-pills .btn-industrial,
.hospital-hero-pills .btn-industrial-outline {
    padding: 10px 18px;
    font-size: 0.88rem;
    white-space: nowrap;
    min-height: 42px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .hospital-hero-pills {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        flex-wrap: wrap;
    }

    .hospital-hero-pills .btn-industrial,
    .hospital-hero-pills .btn-industrial-outline {
        white-space: normal;
        width: 100%;
        text-align: center;
    }
}

/* Industrial Icon Wrapper */
.icon-wrapper-industrial {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    border: 1px solid #e4e4e7;
    background-color: #fafafa;
    color: #09090b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Industrial Specification Cards (The Top 10% Protocol) */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.spec-card {
    background-color: #ffffff;
    border: 1px solid #e4e4e7;
    border-radius: 4px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.spec-index {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #71717a;
    text-transform: uppercase;
}

.spec-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: #09090b;
}

.spec-desc {
    font-size: 0.9rem;
    color: #3f3f46;
    line-height: 1.5;
    margin: 0;
}

/* Executive Financial Comparison Cards (Zero Horizontal Scroll / Reflows to Cards) */
.comparison-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 16px;
    width: 100%;
}

.comparison-model-card {
    background-color: #ffffff;
    border: 1px solid #e4e4e7;
    border-radius: 4px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    transition: border-color 0.15s ease;
}

.comparison-model-card-featured {
    border: 2px solid #09090b;
    background-color: #ffffff;
    position: relative;
}

.comparison-card-top {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e4e4e7;
}

.comparison-model-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 12px 0 8px 0;
    color: #09090b;
    line-height: 1.3;
}

.comparison-primary-stat {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}

.comparison-primary-stat .stat-amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: #09090b;
    font-family: var(--font-mono);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.comparison-primary-stat .stat-unit {
    font-size: 0.85rem;
    color: #71717a;
    font-family: var(--font-sans);
}

.comparison-metric-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.comparison-metric-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.comparison-metric-item .metric-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #71717a;
    font-family: var(--font-mono);
}

.comparison-metric-item .metric-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: #09090b;
    line-height: 1.4;
}

.comparison-footer-badge {
    padding: 12px 14px;
    border-radius: 4px;
    font-size: 0.85rem;
    line-height: 1.4;
    margin-top: auto;
}

/* Industrial Protocol Step List (The 5-Agency Maze) */
.protocol-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 14px;
}

.protocol-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px 14px;
    background-color: #fafafa;
    border: 1px solid #e4e4e7;
    border-radius: 4px;
}

.protocol-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #09090b;
    background-color: #e4e4e7;
    padding: 3px 6px;
    border-radius: 2px;
    flex-shrink: 0;
    text-transform: uppercase;
}

.protocol-content {
    font-size: 0.92rem;
    color: #27272a;
    line-height: 1.5;
}

.protocol-content strong {
    color: #09090b;
}

/* Industrial Procurement Milestones */
.milestones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}

.milestone-card {
    background-color: #fafafa;
    border: 1px solid #e4e4e7;
    border-radius: 4px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.milestone-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #09090b;
    text-transform: uppercase;
}

.milestone-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #09090b;
}

.milestone-desc {
    font-size: 0.88rem;
    color: #52525b;
    line-height: 1.45;
}

@media (max-width: 900px) {
    .comparison-cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .comparison-model-card {
        padding: 20px;
    }
    
    .comparison-primary-stat .stat-amount {
        font-size: 1.5rem;
    }

    .milestones-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}