/* Solutions Synthesis - Main Stylesheet */

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

:root {
    --primary-blue: #003B5C;
    --accent-blue: #0EA5E9;
    --slate-gray: #4A5568;
    --warm-gray: #78716C;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --text-dark: #1F2937;
    --text-light: #6B7280;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    min-width: 320px;
}

h1, h2, h3, h4 {
    font-family: 'Merriweather', Georgia, serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-blue);
}

h1 { font-size: 3rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.25rem; }
h3 { font-size: 1.75rem; margin-bottom: 1rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.75rem; }

p { margin-bottom: 1rem; color: var(--text-dark); font-size: 1.125rem; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.75rem;
    color: white;
    font-family: 'Merriweather', Georgia, serif;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .company-name {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.5px;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.logo-text .tagline {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--slate-gray);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--slate-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 1rem;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #005880 100%);
    color: var(--white);
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(255, 255, 255, 0.03) 50px,
            rgba(255, 255, 255, 0.03) 51px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 50px,
            rgba(255, 255, 255, 0.03) 50px,
            rgba(255, 255, 255, 0.03) 51px
        );
    opacity: 0.5;
}

.hero::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    top: -400px;
    right: -200px;
    pointer-events: none;
}

/* Add geometric shapes to hero */
.hero {
    background: 
        linear-gradient(135deg, transparent 0%, transparent 50%, rgba(14, 165, 233, 0.05) 50%, rgba(14, 165, 233, 0.05) 100%),
        linear-gradient(135deg, var(--primary-blue) 0%, #005880 100%);
}

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

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    max-width: 900px;
    margin: 0 auto 1.5rem;
}

.hero p {
    color: rgba(255,255,255,0.9);
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
}

.tagline {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #0284c7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(14,165,233,0.4);
}

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

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

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

/* Sections */
section {
    padding: 5rem 2rem;
}

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

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.25rem;
}

/* Value Props Grid */
.value-props {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.value-prop {
    text-align: center;
    padding: 2rem;
}

.value-prop-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.value-prop h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.value-prop p {
    color: var(--text-light);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

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

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

.service-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.service-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

.learn-more {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.learn-more:hover {
    gap: 0.75rem;
}

/* Stats Section */
.stats {
    background: var(--primary-blue);
    color: var(--white);
    padding: 4rem 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Industries */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.industry-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.industry-item:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

.industry-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.industry-item h4 {
    font-size: 1.125rem;
}

/* Testimonials */
.testimonials {
    background: var(--light-bg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.testimonial {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    position: relative;
}

.testimonial:before {
    content: '"';
    font-size: 5rem;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    color: var(--accent-blue);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

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

.testimonial-role {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #005880 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Footer */
footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 3rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #E5E7EB;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

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

/* Model Thinking Page Specific */
.framework-diagram {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin: 3rem 0;
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.component {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    border: 3px solid var(--accent-blue);
}

.component-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    color: var(--white);
    border-radius: 50%;
    line-height: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    
    .logo-icon {
        width: 38px;
        height: 38px;
        font-size: 1.5rem;
    }
    
    .logo-text .company-name {
        font-size: 1.1rem;
    }
    
    .logo-text .tagline {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }
    
    .hero {
        padding: 5rem 1.5rem 4rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.25rem;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 2rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    section {
        padding: 3rem 1.5rem;
    }
    
    .value-props,
    .services-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-accent { color: var(--accent-blue); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }