/* ===================================
   CAIRN ECONOMIC ADVISORS
   Main Stylesheet
   =================================== */

/* CSS Variables for Brand Colors */
:root {
    --primary-blue: #1e3a5f;
    --secondary-gold: #d4af37;
    --accent-gray: #708090;
    --bg-offwhite: #f8f9fa;
    --text-charcoal: #333333;
    --white: #ffffff;
    --light-blue: #e8f1f8;
    --border-gray: #ddd;
    
    /* Typography */
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-accent: Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --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(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

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

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

body {
    font-family: var(--font-body);
    color: var(--text-charcoal);
    line-height: 1.6;
    background-color: var(--white);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

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

strong {
    font-weight: 600;
}

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

.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);
}

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

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

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

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

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

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

nav a {
    color: var(--text-charcoal);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font-heading);
}

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

.btn-primary:hover {
    background-color: #2c5282;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

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

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

.btn-gold:hover {
    background-color: #c09a2a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2c5282 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero .subheadline {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-image {
    max-width: 200px;
    border-radius: 50%;
    margin: var(--spacing-md) auto;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--white);
}

/* ===================================
   TRUST INDICATORS
   =================================== */

.trust-bar {
    background-color: var(--bg-offwhite);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-gray);
    border-bottom: 1px solid var(--border-gray);
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.trust-logo {
    height: 40px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: all var(--transition-normal);
}

.trust-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.trust-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    text-align: center;
}

.stat {
    min-width: 150px;
}

.stat-number {
    font-family: var(--font-accent);
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-gold);
    display: block;
}

.stat-label {
    color: var(--accent-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-top: 4px solid var(--secondary-gold);
}

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

.service-icon {
    font-size: 3rem;
    color: var(--secondary-gold);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-md);
}

.service-link {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:after {
    content: '→';
    transition: transform var(--transition-fast);
}

.service-link:hover:after {
    transform: translateX(4px);
}

/* ===================================
   THREE COLUMN LAYOUT
   =================================== */

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

.col {
    text-align: center;
}

.col-icon {
    font-size: 3rem;
    color: var(--secondary-gold);
    margin-bottom: var(--spacing-sm);
}

.col h3 {
    margin-bottom: var(--spacing-sm);
}

.col ul {
    text-align: left;
    list-style-position: inside;
    color: var(--accent-gray);
}

/* ===================================
   CALLOUT BOX
   =================================== */

.callout {
    background-color: var(--light-blue);
    border-left: 4px solid var(--secondary-gold);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.callout strong {
    color: var(--primary-blue);
}

/* ===================================
   TESTIMONIALS
   =================================== */

.testimonial {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--secondary-gold);
}

.testimonial-quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-charcoal);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial-quote:before {
    content: '"';
    font-size: 3rem;
    color: var(--secondary-gold);
    font-family: var(--font-accent);
    line-height: 0;
    vertical-align: -0.4em;
    margin-right: 0.5rem;
}

.testimonial-attribution {
    font-weight: 600;
    color: var(--primary-blue);
}

.testimonial-title {
    color: var(--accent-gray);
    font-size: 0.9rem;
}

.testimonial-tag {
    display: inline-block;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

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

form {
    max-width: 600px;
}

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-blue);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

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

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.checkbox-group label {
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-note {
    font-size: 0.9rem;
    color: var(--accent-gray);
    margin-top: var(--spacing-xs);
}

/* ===================================
   FAQ
   =================================== */

.faq-nav {
    background-color: var(--bg-offwhite);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.faq-nav ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.faq-nav a {
    display: block;
    padding: var(--spacing-xs);
    color: var(--primary-blue);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.faq-nav a:hover {
    color: var(--secondary-gold);
    padding-left: var(--spacing-sm);
}

.faq-section {
    margin-bottom: var(--spacing-xl);
}

.faq-section h2 {
    border-bottom: 3px solid var(--secondary-gold);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.faq-item {
    margin-bottom: var(--spacing-lg);
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.faq-answer {
    color: var(--text-charcoal);
    padding-left: var(--spacing-md);
}

.faq-answer ul,
.faq-answer ol {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* ===================================
   TIMELINE (For About Page)
   =================================== */

.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--secondary-gold);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-lg) - 6px);
    top: 0;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--secondary-gold);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--secondary-gold);
}

.timeline-title {
    font-size: 1.3rem;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.timeline-subtitle {
    color: var(--accent-gray);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   CONTACT METHODS
   =================================== */

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

.contact-method {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 3rem;
    color: var(--secondary-gold);
    margin-bottom: var(--spacing-sm);
}

.contact-method h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-method p {
    color: var(--accent-gray);
}

.contact-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-weight: 600;
    color: var(--primary-blue);
}

/* ===================================
   CTA SECTIONS
   =================================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2c5282 100%);
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

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

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

.footer-col h4 {
    color: var(--secondary-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-disclaimer {
    background-color: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    line-height: 1.6;
}

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

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

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

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

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.hidden {
    display: none;
}

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

@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    /* Navigation */
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
    }
    
    nav ul.mobile-open {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    /* Grids */
    .services-grid,
    .three-col {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-md) 0;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .trust-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}