/* Corporate & Modest Foundation (Grey & Yellow) */
:root {
    --bg-white: #ffffff;
    --bg-light-grey: #f4f5f7;
    --grey-dark: #374151;
    --grey-medium: #4b5563;
    --text-main: #1f2937;
    --accent-yellow: #facc15;
    --accent-hover: #eab308;
    --text-on-yellow: #111827; /* Must be dark for readability */
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.7;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo {
    color: var(--grey-dark);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Buttons */
.cta-btn {
    background-color: var(--accent-yellow);
    color: var(--text-on-yellow);
    text-decoration: none;
    font-weight: 600;
    border-radius: 6px;
    text-align: center;
    transition: background 0.2s ease, transform 0.1s;
    border: none;
    cursor: pointer;
}

.cta-btn:hover { 
    background-color: var(--accent-hover); 
    transform: translateY(-1px);
}
.cta-btn.small { padding: 8px 24px; font-size: 0.95rem; }
.cta-btn.large { padding: 14px 32px; font-size: 1.1rem; display: inline-block; margin-top: 15px; }

/* Split Hero Section */
.hero-split {
    display: flex;
    align-items: center;
    background-color: var(--bg-light-grey);
    min-height: 60vh;
}

.hero-text {
    flex: 1;
    padding: 60px;
    max-width: 600px;
}

.hero-text h1 {
    font-size: 2.8rem;
    color: var(--grey-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--grey-medium);
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    height: 100%;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}

/* Sections */
section { padding: 80px 0; }
.light-grey-bg { background-color: var(--bg-light-grey); }

section h2 { 
    font-size: 2rem; 
    color: var(--grey-dark); 
    margin-bottom: 15px; 
}

.subtitle { 
    font-size: 1.1rem; 
    color: var(--grey-medium); 
    margin-bottom: 40px; 
}

/* Grid Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.feature-card h3 { 
    margin-bottom: 15px; 
    color: var(--grey-dark);
    border-bottom: 2px solid var(--accent-yellow);
    padding-bottom: 10px;
    display: inline-block;
}

.feature-card p { color: var(--grey-medium); }

/* Lists */
.check-list {
    list-style: none;
    margin-top: 30px;
}

.check-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 20px;
    color: var(--grey-medium);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: -2px;
    color: var(--text-on-yellow);
    background-color: var(--accent-yellow);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

/* Footer */
footer {
    background-color: var(--bg-light-grey);
    border-top: 1px solid #e5e7eb;
    text-align: center;
    padding: 60px 0;
}

footer h2 { color: var(--grey-dark); }
footer p { color: var(--grey-medium); }

/* Mobile Adjustments */
@media (max-width: 900px) {
    .hero-split { flex-direction: column; text-align: center; }
    .hero-text { padding: 40px 20px; }
    .hero-text h1 { font-size: 2.2rem; }
    .hero-image { width: 100%; }
    .hero-image img { min-height: 300px; }
    .check-list li { text-align: left; }
}