/* 
    Harvestokens LLC - Premium Institutional Design 
    Theme: Modern Investment Bank, Gold Accents, High-End Imagery
*/

:root {
    /* Color Palette */
    --bg-primary: #ffffff;
    --bg-secondary: #f4f6f8; /* Softer, richer gray */
    --bg-dark: #0a1128; /* Deep Institutional Navy */
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-light: #f8f9fa;
    
    --accent-color: #c29b47; /* Harvestokens Gold */
    --accent-hover: #a8853b;
    
    --line-gray: #e2e8f0;
    
    /* Typography */
    --font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing & Layout */
    --container-max-width: 1200px;
    --section-padding: 100px 0;
    
    /* UI Elements */
    --border-radius: 4px; /* Sharp, corporate edges */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
    --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 300;
    overflow-x: hidden;
}

/* Typography Base */
h1, h2, h3, h4 {
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; position: relative; padding-bottom: 15px; }
h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}
.text-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

h3 { font-size: 1.4rem; font-weight: 500; color: var(--accent-color); }

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: var(--transition-fast);
}

a:hover { opacity: 0.8; }

/* Layout Utilities */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

.section { padding: var(--section-padding); }

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

.bg-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.bg-dark h2, .bg-dark p { color: var(--text-light); }

.text-center { text-align: center; }

/* Background Images with Overlays */
.bg-image {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--text-light);
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 17, 40, 0.95), rgba(10, 17, 40, 0.7));
    z-index: 1;
}

.bg-image > .container {
    position: relative;
    z-index: 2;
}

.bg-image h1, .bg-image h2, .bg-image p {
    color: var(--text-light);
}

/* Grids & Cards */
.grid-2-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Corporate Cards */
.corp-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--line-gray);
    transition: var(--transition-fast);
    height: 100%;
}

.corp-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.bg-dark .corp-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Lists */
.clean-list { list-style: none; }

.clean-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 1rem;
    color: inherit;
    font-size: 1.1rem;
}

.clean-list li::before {
    content: "■"; /* More corporate square bullet */
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 0.8rem;
    top: 5px;
}

/* Horizontal Flow (DVP) */
.flow-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--line-gray);
    margin-bottom: 40px;
}

.flow-step {
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.flow-arrow {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 36px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.btn-outline-light {
    border-color: #fff;
    color: #fff;
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--bg-dark);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line-gray);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
}

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

/* Images integration */
.image-box {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 100%;
    min-height: 400px;
    position: relative;
}

.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
}

/* Big Numbers */
.big-number {
    font-size: 4rem;
    font-weight: 300;
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 10px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background-color: #050814;
    color: rgba(255,255,255,0.7);
}

.footer h3 { color: #fff; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px; }
.footer p { color: rgba(255,255,255,0.7); }
.footer a { color: var(--accent-color); }

@media (max-width: 992px) {
    .grid-2-cols, .grid-3-cols, .grid-2x2 { grid-template-columns: 1fr; gap: 30px; }
    .flow-container { flex-direction: column; gap: 15px; }
    .flow-arrow { transform: rotate(90deg); }
    h1 { font-size: 2.5rem; }
    .image-box { min-height: 300px; }
}