@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-main: #101820;
    --bg-sec: #16232D;
    --surface-card: #1D303B;
    --surface-soft: #243945;
    --text-main: #F4F7F8;
    --text-dim: #A7B6BD;
    --vault-blue: #3A7CA5;
    --analytics-cyan: #4FB3C8;
    --signal-green: #5C8D72;
    --warm-accent: #C9A66B;
    --border-main: #314957;
    --border-dim: #263A46;
    --warning: #C47A45;
    
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition: 0.3s ease;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; border-bottom: 1px solid var(--border-dim); padding-bottom: 0.5rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1.2rem; color: var(--text-dim); }
a { color: var(--analytics-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--vault-blue); }
ul { margin-left: 1.5rem; margin-bottom: 1.2rem; color: var(--text-dim); }
li { margin-bottom: 0.5rem; }

strong { color: var(--text-main); font-weight: 600; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(16, 24, 32, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-main);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    background-color: var(--vault-blue);
    border: 1px solid var(--analytics-cyan);
}

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

.nav-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.btn-primary {
    background-color: transparent;
    color: var(--analytics-cyan);
    border: 1px solid var(--analytics-cyan);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--analytics-cyan);
    color: var(--bg-main);
}

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

/* Main Content */
main {
    padding-top: 100px;
    min-height: calc(100vh - 300px);
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    border-bottom: 1px solid var(--border-dim);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(58, 124, 165, 0.1) 0%, rgba(16, 24, 32, 0) 70%);
    pointer-events: none;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero p.lead {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    max-width: 600px;
}

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.card {
    background: var(--surface-card);
    border: 1px solid var(--border-main);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--vault-blue);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--vault-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.card:hover::before {
    height: 100%;
}

.card-icon {
    font-family: var(--font-mono);
    color: var(--analytics-cyan);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: var(--surface-soft);
    border: 1px solid var(--border-dim);
}

/* Data Maturity Model */
.maturity-model {
    margin: 4rem 0;
    padding: 3rem;
    background: var(--bg-sec);
    border: 1px solid var(--border-dim);
}

.maturity-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    position: relative;
}

.maturity-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 24px;
    top: 48px;
    bottom: -16px;
    width: 1px;
    background: var(--border-main);
}

.step-num {
    width: 48px;
    height: 48px;
    background: var(--surface-card);
    border: 1px solid var(--border-main);
    color: var(--analytics-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 500;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

/* Service Detail Sections */
.service-header {
    background: var(--bg-sec);
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-dim);
}

.service-content {
    padding: 4rem 0;
}

.technical-panel {
    background: var(--surface-soft);
    border: 1px solid var(--border-main);
    padding: 2rem;
    margin-top: 2rem;
}

.technical-panel h4 {
    color: var(--signal-green);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.warning-box {
    border-left: 3px solid var(--warning);
    background: rgba(196, 122, 69, 0.1);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    font-size: 0.95rem;
}

.legal-notice {
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 1rem;
    background: var(--surface-soft);
    border: 1px dashed var(--border-dim);
    margin-top: 3rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
}

.form-control {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--border-main);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--analytics-cyan);
    background: var(--surface-soft);
}

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

/* Images */
.img-fluid {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-dim);
    display: block;
}

/* Footer */
footer {
    background: var(--bg-sec);
    border-top: 1px solid var(--border-main);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h5 {
    font-family: var(--font-mono);
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links {
    list-style: none;
    margin-left: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

.footer-links a:hover {
    color: var(--analytics-cyan);
}

.footer-bottom {
    border-top: 1px solid var(--border-dim);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-dim);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface-card);
    border: 1px solid var(--border-main);
    padding: 1.5rem;
    z-index: 9999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: none; /* toggled by JS */
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

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

.cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

/* Utilities */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Breakpoints */
@media (max-width: 1200px) {
    .container { padding: 0 1.5rem; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-sec);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-main);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .maturity-step { flex-direction: column; }
    .maturity-step:not(:last-child)::after { display: none; }
    .step-num { margin-bottom: 1rem; }
}