/* ============================================================================
   BF OFFICE - CLASSICAL FAMILY OFFICE
   Main Stylesheet with Green & Gold Brand Colors
   ============================================================================ */

:root {
    /* Brand Colors - From Favicon */
    --green-primary: #1f4d2e;
    --gold-primary: #f8e485;
    
    /* Extended Palette */
    --green-dark: #152f1f;
    --green-light: #2d6b42;
    --green-hover: #234a31;
    --gold-light: #fef5d4;
    --gold-dark: #d4c070;
    --cream: #faf8f3;
    --white: #ffffff;
    
    /* Typography Colors */
    --text-primary: #2d2d2d;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* System Colors */
    --border-light: #e5e7eb;
    --shadow: rgba(31, 77, 46, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--cream);
}

.font-serif {
    font-family: 'Crimson Text', Georgia, serif;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

nav {
    background-color: var(--green-primary);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

nav .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

nav .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--white);
}

nav .logo-icon {
    width: 27px;
    height: 27px;
    background: url('../images/favicon.png') center/cover;
}

nav h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-primary);
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    margin: 0;
}

nav li {
    margin: 0;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
    color: var(--gold-primary);
    border-bottom-color: var(--gold-primary);
}

nav .divider {
    color: var(--green-light);
    user-select: none;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.75rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 50%, var(--green-light) 100%);
    color: var(--white);
    padding: 6rem 1.5rem;
    text-align: center;
}

.hero .container {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--gold-primary);
}

.hero p {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.hero .cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--gold-primary);
    color: var(--green-primary);
}

.btn-primary:hover {
    background-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(248, 228, 133, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--green-primary);
    border: 2px solid var(--green-primary);
}

.btn-secondary:hover {
    background-color: var(--green-primary);
    color: var(--white);
}

.btn-secondary-light {
    background-color: transparent;
    color: var(--gold-primary);
    border: 2px solid var(--gold-primary);
}

.btn-secondary-light:hover {
    background-color: var(--gold-primary);
    color: var(--green-primary);
}

/* ============================================================================
   LAYOUT CONTAINERS
   ============================================================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

section.bg-white {
    background-color: var(--white);
}

section.bg-cream {
    background-color: var(--cream);
}

section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--green-primary);
}

section p.lead {
    font-size: 1.375rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    line-height: 1.6;
}

/* ============================================================================
   GRID SYSTEM
   ============================================================================ */

.grid {
    display: grid;
    gap: 2.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 2rem;
    border: 2px solid var(--border-light);
    transition: all 0.3s;
}

.card:hover {
    border-color: var(--green-primary);
    box-shadow: 0 8px 24px var(--shadow);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--green-primary);
}

.card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--green-primary);
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-light);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(31, 77, 46, 0.1);
}

textarea.form-control {
    min-height: 180px;
    resize: vertical;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

footer {
    background-color: var(--green-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

footer h3,
footer h4 {
    color: var(--gold-primary);
    margin-bottom: 1.25rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--gold-primary);
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.text-center { text-align: center; }
.text-green { color: var(--green-primary); }
.text-gold { color: var(--gold-primary); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
    nav ul.nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--green-primary);
        padding: 1.5rem;
        gap: 0;
        box-shadow: 0 8px 16px var(--shadow);
        flex-direction: column;
    }
    
    /* Show menu when active class is added by JavaScript */
    nav ul.nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    nav ul.nav-links li {
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav ul.nav-links li:last-child {
        border-bottom: none;
    }
    
    nav ul.nav-links a {
        display: block;
        text-align: center;
    }
    
    nav .divider {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.25rem;
    }
    
    section h2 {
        font-size: 2.25rem;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .hero .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    nav h1 {
        font-size: 1.25rem;
    }
    
    .hero {
        padding: 4rem 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
}