/* Core Brand Variables - Adapted for Executive Product */
:root {
    --primary-color: #64748b; /* Professional Slate/Silver */
    --secondary-color: #0f172a; /* Deep Navy */
    --accent-color: #38bdf8; /* Light Blue for data visualization */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-border: #e2e8f0;
    --gradient: linear-gradient(135deg, #0f172a, #334155);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Utilities */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--secondary-color);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.navbar a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: var(--accent-color);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px; /* Squarer, more corporate buttons */
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: var(--secondary-color);
    color: white !important;
}

.btn-primary:hover {
    background: #1e293b;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-secondary:hover {
    background: rgba(15, 23, 42, 0.05);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Hero Section */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 5%;
    background: linear-gradient(to bottom, #ffffff, #f1f5f9);
    position: relative;
}

.hero-content {
    max-width: 900px;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(15, 23, 42, 0.05);
    color: var(--secondary-color);
    border: 1px solid rgba(15, 23, 42, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

/* Sections */
section {
    padding: 6rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Document Grid */
.docs-section {
    background: var(--bg-white);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.doc-card {
    background: var(--bg-light);
    border: 1px solid var(--card-border);
    padding: 2.5rem;
    border-radius: 8px;
    text-align: left;
    transition: transform 0.3s ease;
    border-left: 4px solid var(--secondary-color);
}

.doc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.doc-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.doc-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.doc-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.doc-link:hover {
    text-decoration: underline;
}

/* Interactive Dashboard Preview component */
.dashboard-section {
    background: var(--secondary-color);
    color: white;
}

.dashboard-section .section-header h2, 
.dashboard-section .section-header p {
    color: white;
}

.dashboard-section .section-header p {
    opacity: 0.8;
}

.dashboard-container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255,255,255,0.1);
}

.dash-header {
    background: #1e293b;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dash-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dash-controls {
    display: flex;
    gap: 1rem;
}

.dash-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.dash-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #0f172a;
}

.dash-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.05);
}

.metric-card {
    background: #0f172a;
    padding: 2rem;
    text-align: center;
    transition: background 0.3s;
}

.metric-label {
    font-size: 0.85rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.metric-trend {
    font-size: 0.9rem;
}

.trend-up { color: #10b981; }
.trend-down { color: #ef4444; }

.dash-chart-area {
    padding: 3rem;
    background: #0f172a;
    text-align: center;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mock-chart {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 150px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    border-left: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    padding-bottom: 0px;
}

.chart-bar {
    width: 40px;
    background: var(--accent-color);
    border-radius: 2px 2px 0 0;
    transition: height 0.5s ease-out;
}

/* Subscription / Lead Capture form */
.purchase {
    background: var(--bg-light);
}

.purchase-card {
    background: var(--bg-white);
    border: 1px solid var(--card-border);
    padding: 4rem;
    border-radius: 12px;
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.purchase-form {
    margin-top: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.input-group input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-light);
    border: 1px solid #cbd5e1;
    color: var(--text-primary);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.input-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.1);
}

/* Footer */
footer {
    border-top: 1px solid var(--card-border);
    padding: 3rem 5%;
    text-align: center;
    background: var(--bg-white);
}