/*
Theme Name: DTTA Associates LLC
Theme URI: https://dttaassociates.com
Author: DTTA Associates LLC
Author URI: https://dttaassociates.com
Description: A professional WordPress theme for DTTA Associates LLC - Business Consulting, Operations Management, and Marketing Strategies.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dtta-associates
Tags: business, consulting, corporate, professional, custom-menu, custom-logo, featured-images
*/

/* ==========================================================================
   CSS Variables - Professional Blue/Navy Corporate
   ========================================================================== */
:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #0f2744;
    --color-primary-light: #2d5a8a;
    --color-secondary: #4a90d9;
    --color-accent: #f4a742;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #1e3a5f;
    --color-border: #e2e8f0;
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.25rem;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 1rem auto 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-logo img {
    height: 50px;
    width: auto;
}

.site-logo .logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: -0.5px;
}

.site-logo .logo-text span {
    color: var(--color-secondary);
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav .current-menu-item a::after {
    width: 100%;
}

.main-nav a:hover {
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-primary-dark);
    margin: 5px 0;
    transition: var(--transition);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

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

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

.btn-secondary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}

.btn-outline {
    background: transparent;
    color: var(--color-bg);
    border-color: var(--color-bg);
}

.btn-outline:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background: #e5972f;
    border-color: #e5972f;
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-bg);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>') repeat;
    background-size: 200px 200px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-brand {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--color-bg);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    fill: var(--color-bg);
}

.service-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.service-card .learn-more {
    font-weight: 600;
    color: var(--color-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-card .learn-more:hover {
    color: var(--color-primary);
    gap: 0.75rem;
}

/* ==========================================================================
   Why Choose Us Section
   ========================================================================== */
.why-choose-us {
    background: var(--color-bg-alt);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.why-item {
    text-align: center;
    padding: 2rem;
}

.why-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.why-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.why-item p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg);
    text-align: center;
}

.cta-section h2 {
    color: var(--color-bg);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-primary-dark);
    color: var(--color-bg);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .footer-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-bg);
    margin-bottom: 1rem;
    display: block;
}

.footer-about .footer-logo span {
    color: var(--color-accent);
}

.footer-about p {
    opacity: 0.8;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    color: var(--color-bg);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

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

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

.footer-section ul a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-contact svg {
    width: 20px;
    height: 20px;
    fill: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact span {
    opacity: 0.8;
    font-size: 0.9375rem;
}

.footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.875rem;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-accent);
}

.social-links svg {
    width: 18px;
    height: 18px;
    fill: var(--color-bg);
}

/* ==========================================================================
   Page Header
   ========================================================================== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-bg);
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-bg);
    margin-bottom: 0.5rem;
}

.breadcrumb {
    opacity: 0.8;
    font-size: 0.9375rem;
}

.breadcrumb a {
    color: var(--color-bg);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==========================================================================
   Cards & Content Boxes
   ========================================================================== */
.content-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.content-card:hover {
    box-shadow: var(--shadow-lg);
}

.content-card-body {
    padding: 2rem;
}

/* Team Cards */
.team-card {
    text-align: center;
}

.team-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--color-secondary);
}

.team-card h4 {
    margin-bottom: 0.25rem;
}

.team-card .role {
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Case Study Cards */
.case-study-card {
    border: 1px solid var(--color-border);
}

.case-study-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-study-card .category {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 0.75rem;
}

/* ==========================================================================
   Blog Styles
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    border: 1px solid var(--color-border);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.blog-card h3 a {
    color: var(--color-primary-dark);
}

.blog-card h3 a:hover {
    color: var(--color-secondary);
}

/* Single Post */
.single-post-content {
    max-width: 800px;
    margin: 0 auto;
}

.single-post-content img {
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .services-grid,
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        box-shadow: var(--shadow-md);
        padding: 1rem;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        border-bottom: 1px solid var(--color-border);
    }
    
    .main-nav a {
        display: block;
        padding: 1rem;
    }
    
    .services-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

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

/* Phone Reveal Feature */
.phone-reveal-container {
    display: inline-block;
}

.phone-hidden {
    cursor: pointer;
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition);
}

.phone-hidden:hover {
    text-decoration: underline;
}

.phone-visible {
    color: rgba(255, 255, 255, 0.8);
}