:root {
    --cbn-primary: #008751; /* Nigerian Green */
    --cbn-dark: #101010;    /* Jet Black */
    --cbn-light: #F3F4F6;   /* Light Grey */
    --cbn-white: #FFFFFF;
    --cbn-border: #101010;
    --cbn-font-head: 'Space Grotesk', sans-serif;
    --cbn-font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--cbn-font-body);
    color: var(--cbn-dark);
    background-color: var(--cbn-white);
    line-height: 1.5;
}

h1, h2, h3, h4 {
    font-family: var(--cbn-font-head);
    color: var(--cbn-dark);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

/* Header */
.cbn-header {
    background: var(--cbn-white);
    border-bottom: 3px solid var(--cbn-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.cbn-nav-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cbn-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cbn-dark);
    font-family: var(--cbn-font-head);
    gap: 10px;
    text-transform: uppercase;
}
.cbn-logo img { width: 36px; height: 36px; }

.cbn-menu { display: flex; gap: 32px; }
.cbn-menu a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cbn-dark);
    text-transform: uppercase;
}
.cbn-menu a:hover { color: var(--cbn-primary); text-decoration: underline; text-decoration-thickness: 3px; }

/* Mobile Menu */
.cbn-burger { display: none; background: none; border: none; font-size: 32px; cursor: pointer; color: var(--cbn-dark); }
.cbn-mobile-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; width: 100%;
    background: var(--cbn-white);
    border-bottom: 4px solid var(--cbn-primary);
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.cbn-mobile-nav a { display: block; padding: 15px 0; border-bottom: 1px solid var(--cbn-light); font-weight: 700; font-family: var(--cbn-font-head); }
.cbn-mobile-nav.active { display: block; }

/* Hero Section */
.cbn-hero {
    background: var(--cbn-light);
    padding: 80px 20px;
    border-bottom: 2px solid var(--cbn-dark);
}
.cbn-hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.cbn-hero h1 { font-size: 3.8rem; line-height: 1.1; text-transform: uppercase; }
.cbn-hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 500px; }
.cbn-btn {
    display: inline-block;
    background: var(--cbn-primary);
    color: var(--cbn-white);
    padding: 18px 36px;
    font-weight: 700;
    font-family: var(--cbn-font-head);
    border: 2px solid var(--cbn-primary);
    text-transform: uppercase;
    box-shadow: 6px 6px 0px var(--cbn-dark);
    transition: 0.2s;
}
.cbn-btn:hover { transform: translate(2px, 2px); box-shadow: 4px 4px 0px var(--cbn-dark); }
.cbn-hero-img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border: 3px solid var(--cbn-dark);
    box-shadow: 12px 12px 0px var(--cbn-primary);
}

/* Sections */
.cbn-section { padding: 100px 20px; }
.cbn-bg-white { background: var(--cbn-white); }
.cbn-container { max-width: 1200px; margin: 0 auto; }

.cbn-title-center {
    text-align: center; font-size: 2.8rem; margin-bottom: 20px;
    text-transform: uppercase;
}
.cbn-subtitle {
    text-align: center; color: #555; margin-bottom: 60px;
    max-width: 700px; margin-left: auto; margin-right: auto;
}

/* Grid System */
.cbn-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.cbn-card {
    background: var(--cbn-white);
    padding: 30px;
    border: 2px solid var(--cbn-dark);
    transition: 0.3s;
}
.cbn-card:hover { box-shadow: 8px 8px 0px var(--cbn-primary); transform: translateY(-5px); }
.cbn-icon { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.cbn-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
.cbn-card p { font-size: 1rem; color: #444; }

/* About Split */
.cbn-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cbn-split-img { width: 100%; border: 2px solid var(--cbn-dark); }

/* Form */
.cbn-form-wrap {
    max-width: 600px; margin: 0 auto; background: var(--cbn-white);
    padding: 40px; border: 3px solid var(--cbn-dark);
    box-shadow: 10px 10px 0px var(--cbn-light);
}
.cbn-group { margin-bottom: 20px; }
.cbn-label { display: block; margin-bottom: 8px; font-weight: 700; font-size: 0.9rem; font-family: var(--cbn-font-head); text-transform: uppercase; }
.cbn-input {
    width: 100%; padding: 14px; background: var(--cbn-light);
    border: 2px solid #E5E7EB; font-family: inherit; font-weight: 500;
}
.cbn-input:focus { outline: none; border-color: var(--cbn-primary); background: var(--cbn-white); }
.cbn-submit { width: 100%; border: none; cursor: pointer; text-transform: uppercase; letter-spacing: 1px; }

/* Footer */
.cbn-footer { background: var(--cbn-dark); color: #fff; padding: 80px 20px 20px; font-size: 0.9rem; }
.cbn-footer h4 { color: var(--cbn-primary); font-size: 1.2rem; margin-bottom: 20px; text-transform: uppercase; }
.cbn-footer a { display: block; margin-bottom: 10px; opacity: 0.8; }
.cbn-footer a:hover { opacity: 1; color: var(--cbn-primary); }
.cbn-footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; max-width: 1200px; margin: 0 auto 60px; }
.cbn-copy { text-align: center; border-top: 1px solid #333; padding-top: 30px; }

/* Cookie */
.cbn-cookie {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: var(--cbn-white); padding: 20px;
    display: none; z-index: 2000; text-align: center;
    border-top: 4px solid var(--cbn-primary);
}
.cbn-cookie-btn {
    background: var(--cbn-primary); color: var(--cbn-white); border: none;
    padding: 8px 24px; margin-left: 15px; cursor: pointer; font-weight: 700; box-shadow: 4px 4px 0px var(--cbn-dark);
}

@media (max-width: 768px) {
    .cbn-menu { display: none; }
    .cbn-burger { display: block; }
    .cbn-hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .cbn-hero h1 { font-size: 2.8rem; }
    .cbn-hero-text p { margin-left: auto; margin-right: auto; }
    .cbn-hero-img { height: 300px; order: -1; }
    .cbn-split { grid-template-columns: 1fr; }
}