:root {
    /* Main Background */
    --bg-main: #101C24;
    /* Surfaces */
    --surface: #182832;
    --surface-elevated: #213640;
    --navy-deep: #0B141B;
    /* Text */
    --text-primary: #F4F7F5;
    --text-secondary: #A8B7B9;
    --text-muted: #7F9296;
    /* Accents & Brand */
    --blue-ocean: #3478A4;
    --aqua-bright: #49B7B0;
    --aqua-soft: #8FD8D0;
    --coral-accent: #D87961;
    --coral-soft: #A95D4D;
    /* Borders & Lines */
    --grid-line: #2B414B;
    --border-color: #344C56;

    /* Typography */
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    
    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --container-width: 1200px;
    --border-radius: 4px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: 1.5rem; }
p { color: var(--text-secondary); margin-bottom: var(--spacing-sm); }
a { color: var(--aqua-bright); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--aqua-soft); }
strong { color: var(--text-primary); font-weight: 600; }

.text-muted { color: var(--text-muted); font-size: 0.9rem; }
.text-highlight { color: var(--aqua-bright); }
.editorial-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--aqua-soft);
    margin-bottom: var(--spacing-xs);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius);
}

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

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--grid-line) 20%, var(--grid-line) 80%, transparent);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* Header & Navigation */
header {
    background-color: rgba(16, 28, 36, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--grid-line);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo span { color: var(--aqua-bright); }

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

nav a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

nav a:hover, nav a.active {
    color: var(--aqua-bright);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--aqua-bright);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--aqua-bright);
    color: var(--navy-deep);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--aqua-soft);
    color: var(--navy-deep);
    outline: 2px solid var(--aqua-bright);
    outline-offset: 2px;
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover, .btn-secondary:focus {
    border-color: var(--aqua-bright);
    color: var(--aqua-bright);
}

/* Cards & Surfaces */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    scroll-margin-top: 100px;
}

.card:hover {
    border-color: var(--aqua-bright);
}

.card-elevated {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    scroll-margin-top: 100px;
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(73, 183, 176, 0.1);
    border: 1px solid rgba(73, 183, 176, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--aqua-bright);
}

/* Article Targets */
article {
    scroll-margin-top: 100px;
}

/* Background Grid Pattern */
.bg-grid {
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    z-index: -1;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: left;
    position: relative;
}

.hero h1 {
    max-width: 800px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin-bottom: var(--spacing-md);
}

/* Service Finder */
.service-finder {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.finder-btn {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.finder-btn:hover, .finder-btn.active {
    background-color: rgba(73, 183, 176, 0.1);
    border-color: var(--aqua-bright);
    color: var(--aqua-bright);
}

.finder-result {
    display: none;
    padding-top: var(--spacing-md);
    border-top: 1px dashed var(--grid-line);
}

.finder-result.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* Maturity Map */
.maturity-stepper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
    padding-left: 2rem;
}

.maturity-stepper::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background-color: var(--grid-line);
}

.step {
    position: relative;
}

.step::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--surface);
    border: 2px solid var(--border-color);
    z-index: 2;
    transition: var(--transition);
}

.step:hover::before {
    border-color: var(--aqua-bright);
    background-color: var(--aqua-bright);
    box-shadow: 0 0 10px rgba(73, 183, 176, 0.4);
}

.step h4 {
    margin-bottom: 0.2rem;
}

/* Checklists & Workflows */
.checklist {
    list-style: none;
}
.checklist li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}
.checklist li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--aqua-bright);
    font-family: var(--font-mono);
}

.workflow-diagram {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--navy-deep);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.workflow-node {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    padding: 1rem;
    text-align: center;
    border-radius: var(--border-radius);
}

.workflow-arrow {
    text-align: center;
    color: var(--aqua-soft);
    font-family: var(--font-mono);
}

/* Alert Note */
.alert-note {
    background-color: rgba(216, 121, 97, 0.05);
    border-left: 4px solid var(--coral-accent);
    padding: 1rem 1.5rem;
    margin: var(--spacing-sm) 0;
}
.alert-note strong {
    color: var(--coral-accent);
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

input, select, textarea {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--aqua-bright);
    box-shadow: 0 0 0 1px var(--aqua-bright);
}

/* Footer */
footer {
    background-color: var(--navy-deep);
    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-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--text-secondary);
}

.footer-col a:hover {
    color: var(--aqua-bright);
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface-elevated);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    z-index: 9999;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
    display: none; /* Controlled by JS */
}

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

.cookie-text p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Utilities & Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    
    .mobile-menu-btn { display: block; }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--surface-elevated);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--grid-line);
    }
    
    nav ul.show { display: flex; }
    
    .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
    
    .cookie-content { flex-direction: column; text-align: center; }
    .cookie-buttons { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    .hero h1 { font-size: 2rem; }
    .btn { width: 100%; }
}