/* Global Styles */
body {
    font-family: var(--font-body);
    color: var(--color-charcoal);
    background-color: var(--color-white);
    font-size: 16px;
    line-height: 1.6;
    /* Improved readability */
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-dark-charcoal);
    font-weight: var(--weight-bold);
    line-height: 1.1;
    /* Tighter headings */
    letter-spacing: -0.02em;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

/* Typography Utilities */
.text-center {
    text-align: center;
}

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

.text-sm {
    font-size: 0.875rem;
}

.font-medium {
    font-weight: var(--weight-medium);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    /* Larger touch target */
    font-weight: var(--weight-medium);
    transition: all var(--transition-base);
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-full);
    /* Pill shape for primary */
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-charcoal);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--radius-lg);
    /* Slightly reinforced corners, not pill */
}

.btn-secondary:hover {
    background-color: var(--color-off-white);
    border-color: var(--color-charcoal);
    color: var(--color-dark-charcoal);
}

.btn-text {
    color: var(--color-accent);
    padding: 0;
    font-weight: var(--weight-medium);
}

.btn-text:hover {
    text-decoration: underline;
    color: var(--color-accent-hover);
}

/* Section Spacing */
section {
    padding: var(--space-4xl) 0;
}

/* Header & Nav */
.site-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    /* Softer border */
}

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

.logo img {
    height: 32px;
    /* Subtle reduction */
    width: auto;
    display: block;
}

.desktop-nav ul {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.desktop-nav a {
    font-weight: var(--weight-medium);
    color: var(--color-charcoal);
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

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

.header-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

/* Mobile Menu */
.mobile-nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--color-charcoal);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--space-4xl) + var(--space-xl));
    /* More breathing room */
    padding-bottom: var(--space-4xl);
    text-align: center;
    background: radial-gradient(circle at 50% 0%, var(--color-accent-light) 0%, transparent 70%);
    /* Subtle top glow */
}

.hero h1 {
    font-size: 3.5rem;
    /* Larger, more confident */
    margin-bottom: var(--space-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.03em;
    color: var(--color-black);
}

.hero p {
    font-size: 1.375rem;
    /* Larger subhead */
    color: var(--color-charcoal);
    margin-bottom: var(--space-2xl);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    font-weight: var(--weight-regular);
    line-height: 1.5;
}

.hero .cta-group {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-xl);
}

.benefit-card {
    text-align: left;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-base);
}

.benefit-card:hover {
    background-color: var(--color-off-white);
}

.benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-white);
    color: var(--color-accent);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.benefit-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.benefit-card p {
    color: var(--color-charcoal);
    font-size: 1rem;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.pricing-toggle {
    display: inline-flex;
    background-color: var(--color-light-gray);
    padding: 4px;
    border-radius: var(--radius-full);
    margin-top: var(--space-lg);
}

.pricing-toggle button {
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-weight: var(--weight-medium);
    font-size: 0.875rem;
    color: var(--color-charcoal);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.pricing-toggle button.active {
    background-color: var(--color-white);
    color: var(--color-black);
    box-shadow: var(--shadow-sm);
    font-weight: var(--weight-semibold);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
}

.plan-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.plan-card.highlight {
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-lg);
    background-color: #ffffff;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

.plan-name {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
    color: var(--color-charcoal);
    font-weight: var(--weight-medium);
}

.plan-price {
    font-size: 3rem;
    font-weight: var(--weight-bold);
    color: var(--color-black);
    line-height: 1;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.04em;
}

.plan-period {
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
}

.plan-desc {
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    min-height: 3em;
    /* Align buttons */
}

.plan-features {
    list-style: none;
    margin: var(--space-xl) 0;
    padding: 0;
    border-top: 1px solid var(--color-light-gray);
    padding-top: var(--space-lg);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9375rem;
    color: var(--color-charcoal);
}

.check-icon {
    color: var(--color-accent);
    /* Changed from green to brand color */
    flex-shrink: 0;
    font-size: 1rem;
}

.plan-card .btn {
    width: 100%;
    justify-content: center;
}

/* Trust Section */
.trust-section {
    background-color: var(--color-off-white);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.trust-item h3 {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

/* Use Cases */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.use-case-card {
    padding: var(--space-lg);
    background-color: var(--color-off-white);
    border-radius: var(--radius-lg);
}

.use-case-card h4 {
    margin-bottom: var(--space-sm);
}

/* Footer */
.site-footer {
    background-color: var(--color-off-white);
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-xl);
    border-top: 1px solid var(--color-medium-gray);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-col h4 {
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

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

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    color: var(--color-charcoal);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-medium-gray);
    color: var(--color-charcoal);
    font-size: 0.875rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .site-header .container {
        padding: 0 var(--space-md);
    }

    .desktop-nav {
        display: none;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .hero {
        padding-top: var(--space-2xl);
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero .cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (min-width: 769px) {
    .mobile-nav-menu {
        display: none !important;
    }
}