/* CSS variables for Quiet Intelligence Grid palette - Refined for professional look */
:root {
    --bg-main: #F8FAFC;
    --surface: #FFFFFF;
    --deep-ink: #0F172A;
    --data-blue: #0284C7;
    --signal-green: #059669;
    --warm-sand: #E2E8F0;
    --grid-line: #CBD5E1;
    --alert-amber: #D97706;
    --muted-text: #475569;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--deep-ink);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--data-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--deep-ink);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-ink);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: var(--spacing-sm); color: var(--muted-text); }

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--grid-line);
}

.bg-surface {
    background-color: var(--surface);
}

.surface-card {
    background-color: var(--surface);
    border: 1px solid var(--grid-line);
    padding: var(--spacing-md);
    border-radius: 6px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.surface-card:hover {
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05);
}

.button {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    background-color: var(--deep-ink);
    color: var(--surface);
    border: 1px solid var(--deep-ink);
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: var(--data-blue);
    border-color: var(--data-blue);
    color: var(--surface);
}

.button-outline {
    background-color: transparent;
    color: var(--deep-ink);
}

.button-outline:hover {
    background-color: var(--grid-line);
    color: var(--deep-ink);
    border-color: var(--deep-ink);
}

/* Header & Navigation */
header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--grid-line);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--deep-ink);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--muted-text);
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--data-blue);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--deep-ink);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-image: linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center top;
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--grid-line);
}

.hero-content {
    max-width: 800px;
    background-color: rgba(248, 250, 252, 0.95);
    padding: var(--spacing-md);
    border: 1px solid var(--grid-line);
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.hero h1 {
    font-size: 3rem;
    color: var(--deep-ink);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

/* Service Finder */
.finder-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.finder-btn {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm);
    border: 1px solid var(--grid-line);
    background-color: var(--bg-main);
    color: var(--muted-text);
    cursor: pointer;
    text-align: left;
    font-size: 0.95rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.finder-btn:hover, .finder-btn.active {
    background-color: var(--data-blue);
    color: var(--surface);
    border-color: var(--data-blue);
}

.finder-result {
    display: none;
    padding: var(--spacing-md);
    border: 1px solid var(--data-blue);
    background-color: rgba(2, 132, 199, 0.05);
}

.finder-result.active {
    display: block;
}

/* Data Maturity Map */
.maturity-map {
    position: relative;
}

.maturity-map::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 20px;
    width: 2px;
    height: calc(100% - 100px);
    background-color: var(--grid-line);
    z-index: 0;
}

.maturity-stage {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-md);
    z-index: 1;
}

.maturity-stage::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--surface);
    border: 2px solid var(--data-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--data-blue);
}

/* Alerts and Notes */
.note-box {
    padding: var(--spacing-md);
    background-color: rgba(217, 119, 6, 0.05);
    border-left: 4px solid var(--alert-amber);
    margin: var(--spacing-md) 0;
    border-radius: 0 4px 4px 0;
}

.note-box h4 {
    color: var(--alert-amber);
    margin-bottom: var(--spacing-xs);
}

.privacy-note {
    background-color: rgba(5, 150, 105, 0.05);
    border-left: 4px solid var(--signal-green);
}

.privacy-note h4 {
    color: var(--signal-green);
}

/* Tables & Workflows */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    background-color: var(--surface);
}

.data-table th, .data-table td {
    padding: var(--spacing-sm);
    border: 1px solid var(--grid-line);
    text-align: left;
}

.data-table th {
    background-color: var(--bg-main);
    color: var(--deep-ink);
    font-weight: 600;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--deep-ink);
}

.form-control {
    width: 100%;
    padding: 0.85rem;
    border: 1px solid var(--grid-line);
    border-radius: 4px;
    background-color: var(--surface);
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--deep-ink);
}

.form-control:focus {
    outline: none;
    border-color: var(--data-blue);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Knowledge Base Directory */
.kb-list {
    list-style: none;
}

.kb-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--grid-line);
}

.kb-list a {
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
}

.kb-list a:hover {
    padding-left: var(--spacing-xs);
}

/* Footer */
footer {
    background-color: var(--surface);
    border-top: 1px solid var(--grid-line);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--muted-text);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid var(--grid-line);
    padding-top: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--deep-ink);
    color: var(--surface);
    padding: var(--spacing-md);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text p {
    color: var(--grid-line);
    margin: 0;
    font-size: 0.9rem;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.cookie-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--surface);
    background: transparent;
    color: var(--surface);
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 4px;
}

.cookie-btn.primary {
    background: var(--surface);
    color: var(--deep-ink);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Breakpoints */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .header-inner {
        position: relative;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--surface);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--grid-line);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .cookie-actions {
        flex-direction: column;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .finder-btn {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}