html {
    scroll-behavior: smooth;
}

/* ===============================
GLOBAL RESET
=============================== */

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

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background-color: #f5f7fb;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

.section-label {
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: #5a6f8f;
    text-transform: uppercase;
    font-weight: bold;
}

h1, h2, h3 {
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}


/* ===============================
HEADER / NAVIGATION
=============================== */

.site-header {
    background: #1f2a44;
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.branding h1 {
    font-size: 1.8rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.8;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.main-nav a:hover {
    opacity: 0.8;
}

.main-nav a.active {
    border-bottom: 2px solid white;
    padding-bottom: 3px;
}


/* ===============================
HERO SECTION
=============================== */

.hero {
    background: white;
    padding: 60px 0;
}

.page-hero {
    padding: 60px 0 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.hero-text h2 {
    font-size: 2rem;
}

.hero-buttons {
    margin-top: 20px;
}

.hero-card {
    background: #eef2fa;
    padding: 25px;
    border-radius: 8px;
}

.hero-card ul {
    padding-left: 20px;
}


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

.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin-right: 10px;
}

.btn-primary {
    background: #3b6eea;
    color: white;
}

.btn-primary:hover {
    background: #2c56bb;
}

.btn-secondary {
    background: #e3e7f4;
    color: #1f2a44;
}

.btn-secondary:hover {
    background: #cfd7f0;
}


/* ===============================
SECTION STRUCTURE
=============================== */

.overview {
    padding: 60px 0;
}

.section-heading {
    text-align: center;
    margin-bottom: 40px;
}


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

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.info-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.info-card .icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3b6eea;
    margin-bottom: 10px;
}

.info-card a {
    color: #3b6eea;
    font-weight: bold;
    text-decoration: none;
}

.info-card a:hover {
    text-decoration: underline;
}


/* ===============================
TWO COLUMN LAYOUT
=============================== */

.focus-area {
    padding: 60px 0;
    background: #eef2fa;
}

.two-column {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.summary-panel {
    background: white;
    padding: 25px;
    border-radius: 8px;
}

.summary-panel ul {
    padding-left: 20px;
}


/* ===============================
IMAGE GRID
=============================== */

.image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.image-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.image-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.image-card figcaption {
    padding: 15px;
    font-size: 0.95rem;
}


/* ===============================
PROCESS FLOW DIAGRAM
=============================== */

.process-flow {
    max-width: 850px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flow-box {
    width: 100%;
    max-width: 700px;
    background: white;
    border-left: 6px solid #3b6eea;
    padding: 18px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    text-align: center;
    font-weight: 600;
}

.decision-box {
    border-left: 6px solid #1f2a44;
    background: #eef2fa;
}

.flow-arrow {
    font-size: 1.8rem;
    color: #3b6eea;
    margin: 10px 0;
    font-weight: bold;
}


/* ===============================
ANALYSIS BLOCK
=============================== */

.analysis-block {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}


/* ===============================
CALL TO ACTION SECTION
=============================== */

.cta-section {
    padding: 60px 0;
}

.cta-box {
    background: #1f2a44;
    color: white;
    padding: 40px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


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

.site-footer {
    background: #1f2a44;
    color: white;
    padding: 20px 0;
    margin-top: 40px;
}

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


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

@media (max-width: 900px) {

.header-flex {
    flex-direction: column;
    gap: 15px;
}

.main-nav ul {
    flex-direction: column;
    gap: 10px;
}

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

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

.two-column {
    grid-template-columns: 1fr;
}

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

.cta-box {
    flex-direction: column;
    gap: 20px;
}

.flow-box {
    font-size: 0.95rem;
}

.analysis-block {
    padding: 25px;
}

}

/* ===============================
TABLES
=============================== */

.table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.cost-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border-radius: 8px;
    overflow: hidden;
}

.cost-table th,
.cost-table td {
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid #e5e9f2;
}

.cost-table thead {
    background: #1f2a44;
    color: white;
}

.cost-table tbody tr:hover {
    background: #f7f9fd;
}

.total-row {
    font-weight: bold;
    background: #eef2fa;
}

/* ===============================
POWER BI PLACEHOLDER
=============================== */

.powerbi-placeholder {
    background: white;
    padding: 35px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    text-align: center;
}

.embed-code-block {
    margin-top: 20px;
    text-align: left;
    background: #f4f6fb;
    border: 1px solid #dbe2f0;
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
}

.embed-code-block pre {
    margin: 0;
    font-family: Consolas, Monaco, monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.cost-analysis-note {
    margin-top: 30px;
}

/* ===============================
REFERENCES
=============================== */

.references-block {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.references-block p {
    margin-bottom: 18px;
    text-indent: -36px;
    padding-left: 36px;
}

.references-block a {
    display: block;
    margin-top: 5px;
    color: #3b6eea;
    word-break: break-word;
}

.references-block a:hover {
    text-decoration: underline;
}