/* Truvena Website Styles */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-blue: #0052CC;
    --dark-blue: #003D99;
    --light-blue: #4C9AFF;
    --accent-orange: #FF8B00;
    --text-dark: #172B4D;
    --text-medium: #42526E;
    --text-light: #5E6C84;
    --background-light: #F4F5F7;
    --white: #FFFFFF;
    --border-color: #DFE1E6;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* ===== NAVIGATION ===== */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 20px;
}

.nav-brand a {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-decoration: none;
    letter-spacing: 0.05em;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

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

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

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 8rem 0 6rem;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.35rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2.5rem;
}

/* ===== SECTIONS ===== */
section {
    padding: 5rem 0;
}

.section-intro {
    font-size: 1.25rem;
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
    color: var(--text-medium);
}

/* ===== PROBLEM SECTION ===== */
.problem {
    background: var(--background-light);
}

.problem h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.problem-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.problem-text {
    max-width: 700px;
}

.problem-stats {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat {
    text-align: center;
    padding: 1.5rem 0;
}

.stat:not(:last-child) {
    border-bottom: 2px solid var(--background-light);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-medium);
    font-weight: 500;
}

/* ===== SOLUTION SECTION ===== */
.solution {
    background: var(--white);
}

.solution h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.approach-item {
    padding: 2rem;
    border-left: 4px solid var(--primary-blue);
    background: var(--background-light);
    border-radius: 0 8px 8px 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.approach-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.15);
}

.approach-number {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.approach-item h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.approach-item p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== WHY HARD PLACES ===== */
.why-hard-places {
    background: var(--primary-blue);
    color: var(--white);
}

.why-hard-places h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
}

.why-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.why-reason h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.why-reason p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta {
    background: var(--background-light);
    text-align: center;
}

.cta h2 {
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.15rem;
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.cta-emphasis {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 2rem auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2.5rem;
}

/* ===== FOOTER ===== */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu {
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .problem-content {
        grid-template-columns: 1fr;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .why-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}