/* Harmonize.ai Landing Page Styles */
/* Mobile-first, minimal CSS for fast loading */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --accent: #10b981;
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 8px;
}

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

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

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

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo a {
    text-decoration: none;
    color: inherit;
}

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

/* Footer logo - white text on dark background */
.footer .logo {
    color: #ffffff !important;
}

.footer .logo-accent {
    color: #10b981 !important;
}

.footer .footer-brand .logo {
    color: white !important;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
}

.nav a:hover {
    color: var(--dark);
}

.nav .btn {
    margin-left: 8px;
}

/* Improve nav button contrast */
.nav .btn-primary {
    background: #1e40af !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.header .nav .btn-primary {
    color: white !important;
    background-color: #1d4ed8 !important;
}

/* Hero */
.hero {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.hero h1 {
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Trust Metrics */
.trust-metrics {
    padding: 40px 0;
    background: var(--dark);
    color: var(--white);
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.metric-label {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 4px;
}

.metric-source {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-top: 4px;
}

/* Problem/Solution */
.problem-solution {
    padding: 60px 0;
}

.problem-solution .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.problem, .solution {
    padding: 32px;
    border-radius: var(--radius);
}

.problem {
    background: #fef2f2;
    border-left: 4px solid #ef4444;
}

.solution {
    background: #f0fdf4;
    border-left: 4px solid var(--accent);
}

.problem ul, .solution ul {
    list-style: none;
    margin-top: 16px;
}

.problem li, .solution li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.problem li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

.solution li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Features */
.features {
    padding: 60px 0;
    background: var(--light);
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature h3 {
    margin-bottom: 8px;
}

.feature p {
    color: var(--secondary);
    font-size: 0.95rem;
}

/* Pricing */
.pricing {
    padding: 60px 0;
}

.pricing h2 {
    text-align: center;
}

.pricing-subtitle {
    text-align: center;
    color: var(--secondary);
    margin-bottom: 40px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card h3 {
    margin-bottom: 16px;
}

.price {
    margin-bottom: 8px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
}

.price-period {
    color: var(--secondary);
}

.price-annual {
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.pricing-features {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--secondary);
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.pricing-card .btn {
    width: 100%;
}

/* CTA */
.cta {
    padding: 80px 0;
    background: var(--primary);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    color: var(--white);
}

.cta p {
    margin-bottom: 24px;
    opacity: 0.9;
}

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

.cta .btn-primary:hover {
    background: var(--light);
}

/* Footer */
.footer {
    padding: 60px 0 24px;
    background: var(--dark);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--secondary);
    margin-top: 12px;
}

.footer-links h4 {
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    color: var(--secondary);
    text-decoration: none;
    padding: 4px 0;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid #334155;
    text-align: center;
}

.footer-bottom p {
    color: var(--secondary);
    font-size: 0.875rem;
}

.disclaimer {
    margin-top: 8px;
    font-size: 0.75rem !important;
}

/* Tablet (768px+) */
@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .problem-solution .container {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    .hero {
        padding: 100px 0;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}