/* 
   MERIDIAN ENERGY ADVISORS - PROFESSIONAL STYLESHEET
   
   Design Philosophy:
   - Professional, corporate aesthetic appropriate for energy consulting
   - Clean, readable typography
   - Sophisticated color palette
   - Responsive design for all devices
   - Accessible and user-friendly
*/

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */

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

:root {
    /* Professional Color Palette */
    --primary-color: #1a4d7a;        /* Deep blue - trust, professionalism */
    --secondary-color: #2c5f8d;      /* Medium blue */
    --accent-color: #c49a6c;         /* Gold accent - energy, value */
    --dark-text: #2c3e50;            /* Dark gray for body text */
    --light-text: #5a6c7d;           /* Lighter gray for secondary text */
    --background-light: #f8f9fa;     /* Off-white background */
    --background-white: #ffffff;     /* Pure white */
    --border-color: #e1e8ed;         /* Subtle borders */
    --success-green: #2ecc71;        /* Form success messages */
    --error-red: #e74c3c;            /* Form error messages */
    
    /* Typography */
    --font-primary: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    /* Spacing System */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--dark-text);
    background-color: var(--background-light);
    font-size: 16px;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-text);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    background-color: var(--background-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-info {
    display: flex;
    gap: var(--spacing-md);
}

.contact-info a {
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.navbar {
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 60px;
    width: auto;
    max-width: 200px;
    transition: all 0.3s ease;
}

/* Responsive logo sizing for all screen sizes */
@media (min-width: 480px) {
    .logo-img {
        height: 70px;
        max-width: 220px;
    }
}

@media (min-width: 768px) {
    .logo-img {
        height: 85px;
        max-width: 250px;
    }
}

@media (min-width: 992px) {
    .logo-img {
        height: 95px;
        max-width: 280px;
    }
}

@media (min-width: 1200px) {
    .logo-img {
        height: 100px;
        max-width: 300px;
    }
}

@media (min-width: 1400px) {
    .logo-img {
        height: 110px;
        max-width: 320px;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--dark-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background-color: var(--background-light);
}

/* Mobile Menu Toggle (hidden on desktop) */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

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

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero .tagline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-style: italic;
    color: rgba(255,255,255,0.95);
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255,255,255,0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: #b38a5c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

/* ========================================
   MAIN CONTENT SECTIONS
   ======================================== */

.section {
    padding: var(--spacing-xl) 0;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-header .subtitle {
    font-size: 1.125rem;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto;
}

.divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: var(--spacing-sm) auto;
}

/* ========================================
   CARDS & FEATURES
   ======================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card {
    background-color: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.375rem;
}

.card p {
    color: var(--light-text);
    line-height: 1.6;
}

/* ========================================
   SERVICE BOXES
   ======================================== */

.service-box {
    background-color: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-color);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.service-box h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.service-box p {
    color: var(--dark-text);
    line-height: 1.7;
}

/* ========================================
   BIO / ABOUT SECTION
   ======================================== */

.bio-section {
    background-color: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.bio-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.bio-header h2 {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.bio-header .title {
    font-size: 1.125rem;
    color: var(--accent-color);
    font-weight: 600;
}

.bio-content p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
    line-height: 1.8;
}

.credentials {
    background-color: var(--background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.credentials h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-info-box {
    background-color: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-info-box h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.375rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-item {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--background-light);
    border-radius: var(--radius-sm);
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

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

.form-container {
    background-color: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 77, 122, 0.1);
}

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

.required-indicator {
    color: var(--error-red);
}

/* reCAPTCHA spacing */
.g-recaptcha {
    margin-bottom: var(--spacing-sm);
}

/* Form Messages */
.success-message,
.error-message {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ========================================
   CALL TO ACTION
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta-section h2 {
    color: white;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

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

.footer {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--spacing-sm);
    text-align: center;
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
}

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

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.accent-text {
    color: var(--accent-color);
}

.primary-text {
    color: var(--primary-color);
}