/* ==========================================================================
   White Tree Team LLC - Stylesheet
   Professional, refined aesthetic for B2B credibility
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #2c4a3e;          /* Deep forest green */
    --color-primary-dark: #1e3329;     /* Darker green for hover states */
    --color-secondary: #4a6b5d;        /* Muted green */
    --color-accent: #6b8f7a;           /* Light green accent */
    --color-text: #2d3436;             /* Near-black for body text */
    --color-text-light: #636e72;       /* Gray for secondary text */
    --color-bg: #ffffff;               /* White background */
    --color-bg-alt: #f8f9fa;           /* Light gray for alternating sections */
    --color-border: #dee2e6;           /* Light border color */
    
    /* Typography */
    --font-heading: 'Source Serif 4', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 6rem;
    --section-padding-mobile: 4rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px; /* Account for fixed navbar */
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
#mainNav {
    padding: 1rem 0;
    transition: all var(--transition-base);
}

#mainNav .navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

#mainNav .navbar-brand:hover {
    color: var(--color-primary-dark);
}

#mainNav .nav-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 0.5rem 1rem;
    transition: color var(--transition-base);
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active {
    color: var(--color-primary);
}

#mainNav .navbar-logo {
    height: 36px;
    width: auto;
    margin-right: 0.5rem;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
    min-height: 100vh;
    padding-top: 76px; /* Account for fixed navbar */
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    pointer-events: none;
    z-index: 0;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 74, 62, 0.03) 0%, rgba(255, 255, 255, 0) 50%);
    pointer-events: none;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-subtext {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-tagline {
        font-size: 1.25rem;
    }
}

@media (min-width: 992px) {
    .hero-title {
        font-size: 4rem;
    }
}

/* --------------------------------------------------------------------------
   Content Sections
   -------------------------------------------------------------------------- */
.content-section {
    padding: var(--section-padding-mobile) 0;
}

@media (min-width: 768px) {
    .content-section {
        padding: var(--section-padding) 0;
    }
}

.content-section.bg-light {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 3rem;
    height: 2px;
    background-color: var(--color-accent);
    margin-top: 1rem;
}

.section-content p {
    margin-bottom: 1.25rem;
}

.section-content p:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Capabilities Grid (Section 3)
   -------------------------------------------------------------------------- */
.capabilities-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 2rem;
}

@media (min-width: 576px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.capability-item {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 1rem 1.25rem;
    background-color: var(--color-bg);
    border-left: 3px solid var(--color-accent);
    transition: all var(--transition-base);
}

.content-section.bg-light .capability-item {
    background-color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Verticals Display (Section 4)
   -------------------------------------------------------------------------- */
.verticals-display {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .verticals-display {
        flex-direction: row;
        justify-content: space-between;
    }
}

.vertical-item {
    flex: 1;
    text-align: center;
    padding: 1.5rem;
    background-color: var(--color-bg-alt);
    border-bottom: 3px solid var(--color-accent);
}

.vertical-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.contact-info {
    padding-right: 2rem;
}

.contact-block {
    margin-bottom: 2rem;
}

.contact-block:last-child {
    margin-bottom: 0;
}

.contact-label {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.contact-link {
    font-size: 1.0625rem;
    font-weight: 600;
}

.contact-address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.contact-form .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.375rem;
}

.contact-form .form-control {
    border: 1px solid var(--color-border);
    border-radius: 0.25rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.contact-form .form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 0.2rem rgba(44, 74, 62, 0.1);
}

.contact-form .btn-submit {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 0.25rem;
    transition: all var(--transition-base);
}

.contact-form .btn-submit:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    padding: 2rem 0;
    background-color: var(--color-primary);
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-muted {
    color: var(--color-text-light) !important;
    font-weight: 400;
}

/* --------------------------------------------------------------------------
   Desktop Font Size Adjustments
   -------------------------------------------------------------------------- */
@media (min-width: 992px) {
    /* Navigation */
    #mainNav .navbar-brand {
        font-size: 1.5rem;
    }
    
    #mainNav .nav-link {
        font-size: 1.0625rem;
    }
    
    /* Hero subtext */
    .hero-subtext {
        font-size: 1.375rem;
    }
    
    /* Section titles */
    .section-title {
        font-size: 2.5rem;
    }
    
    /* Body text in sections */
    .section-content p {
        font-size: 1.1875rem;
        line-height: 1.8;
    }
    
    /* Capability items */
    .capability-item {
        font-size: 1.0625rem;
    }
    
    /* Contact section */
    .contact-intro {
        font-size: 1.3125rem;
    }
    
    .contact-address {
        font-size: 1.0625rem;
    }
    
    .contact-form .form-label {
        font-size: 1rem;
    }
    
    .contact-form .form-control {
        font-size: 1.0625rem;
    }
}