/* ZestyEats Case Study - Professional Design System */

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

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-card: #1c1c1f;
    --bg-elevated: #242428;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent: #F2C811;
    --accent-light: #fcd34d;
    --accent-muted: rgba(242, 200, 17, 0.15);

    --border: #27272a;
    --border-light: #3f3f46;

    --success: #22c55e;
    --info: #3b82f6;
    --warning: #f59e0b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--accent);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 11, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-tag {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-menu a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-menu a.active {
    color: var(--bg-primary) !important;
    background: var(--accent) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 20px rgba(242, 200, 17, 0.5) !important;
    transform: scale(1.05);
    border-radius: 20px !important;
}

.nav-menu a.active:hover {
    background: var(--accent-light) !important;
    color: var(--bg-primary) !important;
    transform: scale(1.08);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent) !important;
    color: var(--bg-primary) !important;
    padding: 10px 18px !important;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--accent-light) !important;
    transform: translateY(-1px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 0 100px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* Floating Data Elements */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.float-element {
    position: absolute;
    opacity: 0.35;
    color: var(--accent);
}

/* Bar Chart Animation */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 80px;
    animation: floatUp 6s ease-in-out infinite;
}

.bar-chart .bar {
    width: 12px;
    background: linear-gradient(to top, var(--accent), transparent);
    border-radius: 2px 2px 0 0;
    animation: barGrow 2s ease-in-out infinite alternate;
}

.bar-chart .bar:nth-child(1) {
    animation-delay: 0s;
}

.bar-chart .bar:nth-child(2) {
    animation-delay: 0.2s;
}

.bar-chart .bar:nth-child(3) {
    animation-delay: 0.4s;
}

.bar-chart .bar:nth-child(4) {
    animation-delay: 0.6s;
}

.bar-chart .bar:nth-child(5) {
    animation-delay: 0.8s;
}

/* Pie Chart */
.pie-chart {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: conic-gradient(var(--accent) 0deg 120deg,
            rgba(242, 200, 17, 0.5) 120deg 220deg,
            rgba(242, 200, 17, 0.3) 220deg 360deg);
    animation: floatDown 7s ease-in-out infinite, spin 20s linear infinite;
}

/* Line Graph */
.line-graph {
    width: 120px;
    height: 60px;
    animation: floatRight 8s ease-in-out infinite;
}

.line-svg {
    width: 100%;
    height: 100%;
    color: var(--accent);
}

/* KPI Card */
.kpi-card {
    background: rgba(242, 200, 17, 0.1);
    border: 1px solid rgba(242, 200, 17, 0.2);
    border-radius: 12px;
    padding: 16px 20px;
    text-align: center;
    animation: floatLeft 5s ease-in-out infinite;
}

.kpi-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.kpi-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

/* Data Points */
.data-point {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(242, 200, 17, 0.1);
    border: 1px solid rgba(242, 200, 17, 0.2);
    border-radius: 50%;
    font-size: 1rem;
}

.data-point:nth-child(6) {
    animation: floatUp 5s ease-in-out infinite;
}

.data-point:nth-child(7) {
    animation: floatDown 6s ease-in-out infinite;
}

.data-point:nth-child(8) {
    animation: floatRight 7s ease-in-out infinite;
}

.data-point:nth-child(9) {
    animation: floatLeft 8s ease-in-out infinite;
}

/* Float Animations */
@keyframes floatUp {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(3deg);
    }
}

@keyframes floatDown {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(20px) rotate(-3deg);
    }
}

@keyframes floatRight {

    0%,
    100% {
        transform: translateX(0) rotate(0deg);
    }

    50% {
        transform: translateX(15px) rotate(2deg);
    }
}

@keyframes floatLeft {

    0%,
    100% {
        transform: translateX(0) rotate(0deg);
    }

    50% {
        transform: translateX(-15px) rotate(-2deg);
    }
}

@keyframes barGrow {
    0% {
        transform: scaleY(0.8);
    }

    100% {
        transform: scaleY(1.2);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-muted);
    border: 1px solid rgba(242, 200, 17, 0.3);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 32px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-badge:hover {
    background: rgba(242, 200, 17, 0.25);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    max-width: 900px;
    margin-bottom: 28px;
    letter-spacing: -1.5px;
}

.highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-meta {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    padding: 28px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.meta-value {
    font-weight: 600;
    color: var(--text-primary);
}

.meta-divider {
    width: 1px;
    background: var(--border);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 60px;
    text-decoration: none;
    color: var(--text-muted);
    transition: all 0.3s ease;
    animation: fadeIn 1s ease 0.5s both;
}

.scroll-indicator:hover {
    color: var(--accent);
}

.scroll-text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid currentColor;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow i {
    font-size: 1rem;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--bg-primary);
    padding: 16px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(242, 200, 17, 0.2);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--text-primary);
    padding: 16px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--text-primary);
    background: var(--bg-tertiary);
}

.large {
    padding: 18px 36px;
    font-size: 1rem;
}

/* Sections */
.section {
    padding: 120px 0;
}

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

.section-header {
    margin-bottom: 60px;
}

.section-num {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -1px;
}

.section-intro-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 60px;
    line-height: 1.8;
}

/* Executive Summary */
.summary-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.summary-block {
    margin-bottom: 40px;
}

.summary-block:last-child {
    margin-bottom: 0;
}

.summary-block h3 {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.summary-block p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.summary-kpis h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

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

.kpi-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Problem Section */
.problem-intro {
    margin-bottom: 60px;
}

.problem-intro h3 {
    color: var(--accent);
    margin-bottom: 20px;
}

.large-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 900px;
}

.problems-detailed {
    margin-bottom: 60px;
}

.problems-detailed>h4 {
    font-size: 1.1rem;
    margin-bottom: 28px;
    color: var(--text-primary);
}

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

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.problem-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.problem-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.problem-icon {
    font-size: 1.75rem;
}

.problem-header h5 {
    font-size: 1.1rem;
}

.problem-card>p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.problem-impact {
    background: var(--bg-elevated);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--warning);
}

.problem-impact strong {
    color: var(--warning);
}

/* Stakeholders */
.stakeholder-needs h4 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.stakeholder-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.stakeholder-row {
    display: grid;
    grid-template-columns: 200px 1fr 1.5fr;
    gap: 24px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.stakeholder-row:last-child {
    border-bottom: none;
}

.stakeholder-row.header {
    background: var(--bg-elevated);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stakeholder-name {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.stakeholder-name i {
    color: var(--accent);
    width: 20px;
}

.stakeholder-row span:not(.stakeholder-name) {
    color: var(--text-secondary);
}

/* Methodology Timeline */
.methodology-timeline {
    position: relative;
}

.phase-block {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 40px;
    padding-bottom: 48px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.phase-block.visible {
    opacity: 1;
    transform: translateX(0);
}

.phase-block:last-child {
    padding-bottom: 0;
}

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

.phase-num {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.phase-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--accent), var(--border));
    margin-top: 16px;
}

.phase-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.phase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.phase-header h4 {
    font-size: 1.2rem;
}

.phase-duration {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.phase-content>p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.phase-deliverables h6 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.phase-deliverables ul {
    list-style: none;
}

.phase-deliverables li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.phase-deliverables li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Data Model */
.data-model-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.model-description h3 {
    margin-bottom: 20px;
}

.model-description>p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.model-benefits h5 {
    font-size: 0.95rem;
    margin-bottom: 16px;
    color: var(--accent);
}

.model-benefits ul {
    list-style: none;
}

.model-benefits li {
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.model-benefits li:last-child {
    border-bottom: none;
}

.model-benefits li strong {
    color: var(--text-primary);
}

.schema-diagram h4 {
    margin-bottom: 24px;
    text-align: center;
}

/* New Clean ER Diagram */
.er-diagram-grid {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.er-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
}

.er-row.er-center {
    margin-bottom: 40px;
}

.er-row:last-of-type {
    margin-bottom: 30px;
}

.er-table {
    background: var(--bg-elevated);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    width: 260px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.er-table:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.er-table.dim-table {
    border-color: var(--border);
}

.er-table.fact-table-new {
    background: var(--accent);
    border-color: var(--accent);
    width: 300px;
}

.er-table-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 0.95rem;
}

.er-table-header i {
    color: var(--accent);
    font-size: 1.1rem;
}

.er-table-header.fact-header {
    background: rgba(0, 0, 0, 0.15);
    color: var(--bg-primary);
}

.er-table-header.fact-header i {
    color: var(--bg-primary);
}

.er-table-badge {
    padding: 8px 20px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    text-align: center;
    font-weight: 600;
}

.er-table-badge.fact-badge {
    background: rgba(0, 0, 0, 0.1);
    color: var(--bg-primary);
}

.er-table-fields {
    padding: 16px 20px;
}

.er-table-fields.fact-fields {
    background: rgba(0, 0, 0, 0.1);
}

.er-field {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.fact-fields .er-field {
    color: var(--bg-primary);
}

.key-icon,
.fk-icon {
    font-size: 0.75rem;
}

/* Connection Visual */
.er-connection-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    align-self: center;
}

.er-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    position: relative;
}

.er-line::before,
.er-line::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.er-line::before {
    left: -4px;
}

.er-line::after {
    right: -4px;
}

.er-cardinality {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

/* Connections Row */
.er-connections-row {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
    padding: 0 40px;
}

.connection-line {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 200px;
}

.connection-line::before {
    content: '';
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-light));
}

.conn-label {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-top: 8px;
}

/* Horizontal connection */
.er-connection-horizontal {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 20px;
}

.er-line-h {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    position: relative;
}

.er-line-h::before,
.er-line-h::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.er-line-h::before {
    left: -4px;
}

.er-line-h::after {
    right: -4px;
}

/* Diagram subtitle */
.diagram-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* Legend */
.er-legend {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.legend-key,
.legend-fk {
    font-size: 0.9rem;
}

.legend-line {
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
}

.legend-label {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

/* Relationships Table */
.relationships-table h4 {
    margin-bottom: 24px;
}

.rel-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.rel-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 80px;
    gap: 20px;
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.rel-row:last-child {
    border-bottom: none;
}

.rel-row.header {
    background: var(--bg-elevated);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.rel-row span {
    color: var(--text-secondary);
}

.rel-row .active {
    color: var(--success);
    text-align: center;
    font-weight: 700;
}

/* DAX Measures */
.dax-measures {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.measure-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.measure-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.measure-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.measure-header h4 {
    font-size: 1.05rem;
}

.measure-category {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
}

.code-block pre {
    padding: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent);
    overflow-x: auto;
    line-height: 1.6;
    white-space: pre-wrap;
}

.measure-explanation {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.measure-explanation strong {
    color: var(--text-primary);
}

/* Dashboards */
.dashboards-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.dashboard-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.dashboard-info {
    padding: 40px;
}

.dashboard-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-primary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.dashboard-info h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.dashboard-audience {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.dashboard-audience strong {
    color: var(--text-secondary);
}

.dashboard-info>p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.8;
}

.dashboard-info h5 {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.component-list,
.questions-list {
    list-style: none;
    margin-bottom: 28px;
}

.component-list li,
.questions-list li {
    color: var(--text-secondary);
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.component-list li:last-child,
.questions-list li:last-child {
    border-bottom: none;
}

.component-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.7rem;
}

.questions-list li::before {
    content: '?';
    position: absolute;
    left: 0;
    color: var(--info);
    font-weight: 700;
}

.component-list li strong {
    color: var(--text-primary);
}

/* Insights */
.insights-detailed {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.insight-block {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.insight-block.visible {
    opacity: 1;
    transform: translateY(0);
}

.insight-header {
    display: flex;
    gap: 24px;
    align-items: center;
    padding: 28px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.insight-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.5;
}

.insight-title h4 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.insight-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.insight-body {
    padding: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.finding h5,
.recommendation h5 {
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.finding p,
.recommendation p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.recommendation ul {
    list-style: none;
}

.recommendation li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.recommendation li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.impact-metric {
    grid-column: span 2;
    background: var(--accent-muted);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.impact-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.impact-value {
    font-weight: 700;
    color: var(--accent);
}

/* Impact Comparison */
.impact-comparison h3 {
    text-align: center;
    margin-bottom: 40px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.comparison-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.comparison-aspect {
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.comparison-before,
.comparison-after {
    margin-bottom: 8px;
}

.comparison-before .label,
.comparison-after .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}

.comparison-before .value {
    color: var(--text-muted);
    text-decoration: line-through;
}

.comparison-after .value {
    color: var(--text-primary);
    font-weight: 600;
}

.comparison-arrow {
    color: var(--accent);
    font-size: 1.5rem;
    margin: 12px 0;
}

.comparison-improvement {
    background: var(--accent);
    color: var(--bg-primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
    margin-top: 16px;
}

/* ROI Summary Section */
.roi-summary {
    margin-top: 60px;
}

.roi-summary h3 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--accent);
}

.roi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.roi-card {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-tertiary));
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.roi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

.roi-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(242, 200, 17, 0.15);
}

.roi-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.roi-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
    line-height: 1;
}

.roi-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.roi-detail {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Key Metrics Impact Section */
.metrics-impact {
    margin-top: 60px;
}

.metrics-impact h3 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--accent);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.metric-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.metric-name {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.metric-insight {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Deliverables */
.final-deliverables h3 {
    text-align: center;
    margin-bottom: 40px;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.deliverable-item {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
}

.deliverable-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 12px;
}

.deliverable-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Skills */
.skills-comprehensive {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.skill-group {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.skill-group h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1rem;
}

.skill-group ul {
    list-style: none;
}

.skill-group li {
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.skill-group li:last-child {
    border-bottom: none;
}

/* CTA */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-content>p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand strong {
    display: block;
    font-size: 1.1rem;
}

.footer-brand p {
    font-size: 0.85rem;
}

.footer-author {
    text-align: center;
}

.footer-author>p:first-child {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.footer-author h4 {
    color: var(--accent);
    margin-bottom: 4px;
}

.footer-author>p:last-child {
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.footer-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .data-model-container {
        grid-template-columns: 1fr;
    }

    .schema-visual {
        min-height: 500px;
    }

    .dax-measures {
        grid-template-columns: 1fr;
    }

    .insight-body {
        grid-template-columns: 1fr;
    }

    .impact-metric {
        grid-column: span 1;
    }

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

    .deliverables-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-menu {
        display: none;
    }

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

    .meta-divider {
        display: none;
    }

    .problem-cards {
        grid-template-columns: 1fr;
    }

    .stakeholder-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .stakeholder-row.header {
        display: none;
    }

    .phase-block {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .phase-marker {
        flex-direction: row;
        gap: 16px;
    }

    .phase-line {
        display: none;
    }

    .er-diagram-grid {
        padding: 20px;
    }

    .er-row {
        flex-direction: column;
        gap: 20px;
    }

    .er-table {
        width: 100%;
    }

    .er-table.fact-table-new {
        width: 100%;
    }

    .er-connection-vertical {
        transform: rotate(90deg);
    }

    .er-legend {
        flex-wrap: wrap;
        gap: 20px;
    }

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

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

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

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

    .skills-comprehensive {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 80px 0;
    }

    .problems-solved-grid {
        grid-template-columns: 1fr;
    }

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

/* Data Dictionary Tabs */
.data-dictionary {
    margin-top: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.data-dictionary>h4 {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
    font-size: 1.2rem;
}

.dict-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 16px 28px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.dict-tab {
    background: transparent;
    border: 1px solid transparent;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dict-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dict-tab.active {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
}

.dict-content {
    display: none;
    padding: 28px;
}

.dict-content.active {
    display: block;
}

.dict-table-info {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.table-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.table-badge.fact {
    background: var(--accent);
    color: var(--bg-primary);
}

.table-badge.dim {
    background: var(--info);
    color: white;
}

.dict-table-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.dict-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.dict-table th,
.dict-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.dict-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    background: var(--bg-elevated);
    font-weight: 600;
}

.dict-table td {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.dict-table td:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.dict-table td:nth-child(2) {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

.dict-measures h6 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.measure-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.measure-tags span {
    background: var(--accent-muted);
    color: var(--accent);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Business Problems Solved */
.problems-solved-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.solved-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
}

.solved-block:hover {
    border-color: var(--success);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.solved-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.solved-icon {
    font-size: 2rem;
}

.solved-title {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.solved-title h4 {
    font-size: 1.1rem;
    flex: 1;
}

.solved-status {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.solved-body {
    padding: 28px;
}

.problem-was {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.problem-was h5,
.solution-delivered h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.problem-was h5 {
    color: var(--warning);
}

.solution-delivered h5 {
    color: var(--success);
}

.problem-was p,
.solution-delivered p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.pain-points {
    list-style: none;
    margin-top: 16px;
}

.pain-points li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pain-points li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

.outcome-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.outcome-item {
    background: var(--bg-elevated);
    padding: 16px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border);
}

.outcome-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--success);
    margin-bottom: 4px;
}

.outcome-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Impact Summary */
.impact-summary {
    margin-top: 60px;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
}

.impact-summary h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.summary-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 40px;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.summary-stat {
    background: var(--bg-primary);
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.stat-big {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.summary-stat span:last-child {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Responsive for problems solved */
@media (max-width: 900px) {
    .problems-solved-grid {
        grid-template-columns: 1fr;
    }

    .outcome-metrics {
        grid-template-columns: 1fr;
    }

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

    .solved-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .dict-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .dict-tab {
        white-space: nowrap;
    }
}