/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary/Dominant - near-black */
    --primary: #121212;
    --primary-dark: #0D0D0D;
    
    /* Base/Background - neutral off-white with subtle cool undertone */
    --bg-white: #F5F5F7;
    --bg-white-pure: #FFFFFF;
    
    /* Accent 1 - blue (trust/verification only) */
    --accent-blue: #1E3A5F;
    --accent-blue-light: #E8EDF2;
    
    /* Accent 2 - red (action/urgency only) */
    --accent-red: #C41E3A;
    --accent-red-dark: #A01830;
    --accent-red-light: #FCE8EC;
    
    /* Text colors */
    --text-dark: #121212;
    --text-gray: #4A4A4A;
    --text-light: #8A8A8A;
    
    /* UI elements */
    --border: #E0E0E0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white-pure);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.nav {
    display: none;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.2s;
}

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

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-nav {
    display: none;
    flex-direction: column;
    padding: 1rem;
    background: var(--bg-white-pure);
    border-bottom: 1px solid var(--border);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    padding: 0.75rem 0;
    color: var(--text-gray);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--accent-red-dark);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    margin-left: 0.5rem;
}

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--bg-white);
    text-align: center;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 48rem;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-tagline {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

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

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .section-header h2 {
        font-size: 2.5rem;
    }
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 32rem;
    margin: 0 auto;
}

/* Problem Section */
.problem {
    background: var(--bg-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .problem-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.problem-card {
    padding: 1.5rem;
    background: var(--bg-white-pure);
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.problem-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.problem-card p {
    color: var(--text-dark);
}

/* Approach Section */
.approach {
    background: var(--bg-white-pure);
}

.approach-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .approach-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.approach-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: box-shadow 0.2s;
}

.approach-card:hover {
    box-shadow: var(--shadow-md);
}

.approach-icon {
    width: 3rem;
    height: 3rem;
    background: var(--bg-white);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.approach-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.approach-card p {
    color: var(--text-gray);
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--text-gray);
}

/* Industries Section */
.industries {
    background: var(--bg-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .industries-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.industry-card {
    background: var(--bg-white-pure);
    padding: 1.5rem;
    border-radius: 0.5rem;
    text-align: center;
    transition: box-shadow 0.2s;
    cursor: pointer;
}

.industry-card:hover {
    box-shadow: var(--shadow-md);
}

.industry-icon {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.industry-card h3 {
    font-weight: 600;
    color: var(--text-dark);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--bg-white-pure);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.testimonial-quote {
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author p {
    margin: 0;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
}

.author-location {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Value Props Section */
.value-props {
    background: var(--accent-blue-light);
}

.value-props-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.value-props-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .value-props-content h2 {
        font-size: 1.875rem;
    }
}

.value-props-content > p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.props-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .props-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

.prop-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.prop-item svg {
    color: var(--accent-blue);
}

.prop-item span {
    font-weight: 500;
    color: var(--text-dark);
}

/* CTA Section */
.cta {
    background: var(--bg-white);
}

.cta-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .cta-content h2 {
        font-size: 2.5rem;
    }
}

.cta-content > p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.cta-form {
    background: var(--bg-white-pure);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    max-width: 28rem;
    margin: 0 auto 2rem;
}

.cta-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.cta-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-form input,
.cta-form select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.cta-form select {
    color: var(--text-gray);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

@media (min-width: 640px) {
    .contact-info {
        flex-direction: row;
    }
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-link:hover {
    color: var(--accent-blue);
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-brand p {
    color: #9CA3AF;
    font-size: 0.875rem;
    margin-top: 1rem;
}

.footer-links h4,
.footer-contact h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.5rem;
    color: #9CA3AF;
    font-size: 0.875rem;
}

.footer-links a {
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: white;
}

/* Legal Pages */
.legal-page {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--bg-white);
}

.legal-content {
    max-width: 64rem;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .legal-content h1 {
        font-size: 3rem;
    }
}

.last-updated {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-content a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s;
}

.legal-content a:hover {
    color: var(--accent-blue-light);
    text-decoration: underline;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}