/* ==========================================================================
   Lendero - Minimal Elegant Cash Advance Website
   Optimized for performance and SEO
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Warm, trustworthy palette */
    --color-ink: #0f0f0f;
    --color-ink-light: #2a2a2a;
    --color-ink-muted: #666666;
    --color-paper: #fefefe;
    --color-paper-warm: #f9f7f4;
    --color-paper-muted: #f0ede8;
    
    /* Accent - Deep teal with gold highlights */
    --color-primary: #0d6b58;
    --color-primary-light: #0f8a70;
    --color-primary-dark: #095245;
    --color-accent: #d4a857;
    --color-accent-light: #e8c77b;
    
    /* Semantic */
    --color-success: #0d6b58;
    --color-border: rgba(15, 15, 15, 0.08);
    --color-border-strong: rgba(15, 15, 15, 0.15);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Sizing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Effects */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-ink);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 600;
}

p {
    color: var(--color-ink-muted);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-ink-light);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-ink-muted);
}

.btn-ghost:hover {
    color: var(--color-ink);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

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

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(254, 254, 254, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-ink);
}

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

.nav-links {
    display: none;
    list-style: none;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
}

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

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

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(13, 107, 88, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 20%, rgba(212, 168, 87, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-paper-warm);
    border: 1px solid var(--color-border-strong);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-xl);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 560px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-paper-warm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border-strong);
}

@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-paper-warm);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.9375rem;
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */

.how-it-works {
    background: var(--color-paper-warm);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 640px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    padding: var(--space-xl);
    background: var(--color-paper);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1;
    opacity: 0.8;
}

.step-content h3 {
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 0.9375rem;
}

.step-connector {
    width: 2px;
    height: 24px;
    background: var(--color-border-strong);
    margin-left: calc(var(--space-xl) + 1rem);
    border-radius: 1px;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.testimonial {
    padding: var(--space-xl);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.testimonial-stars {
    font-size: 1rem;
    color: var(--color-accent);
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.testimonial p {
    font-size: 1.0625rem;
    color: var(--color-ink);
    font-style: italic;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.testimonial footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.testimonial cite {
    font-style: normal;
    font-weight: 500;
    color: var(--color-ink);
}

.testimonial footer span {
    color: var(--color-ink-muted);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
    background: var(--color-paper-warm);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border-strong);
}

.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary span {
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--color-ink);
}

.faq-item summary svg {
    flex-shrink: 0;
    color: var(--color-ink-muted);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary svg {
    transform: rotate(180deg);
}

.faq-item p {
    padding-bottom: var(--space-lg);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    background: var(--color-paper);
}

.cta-card {
    background: var(--color-ink);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    overflow: hidden;
    position: relative;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 50% 80% at 20% 100%, rgba(13, 107, 88, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 80% 0%, rgba(212, 168, 87, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.cta-card h2 {
    color: var(--color-paper);
    margin-bottom: var(--space-md);
}

.cta-card > .cta-content > p:first-of-type {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xl);
}

.cta-actions {
    margin-bottom: var(--space-md);
}

.cta-actions .btn-primary {
    background: var(--color-paper);
    color: var(--color-ink);
}

.cta-actions .btn-primary:hover {
    background: var(--color-paper-warm);
    transform: translateY(-2px);
}

.cta-note {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-paper-warm);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer-main {
        grid-template-columns: 1.5fr 2fr;
    }
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    font-size: 0.9375rem;
    max-width: 280px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-xl);
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-md);
}

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

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

.footer-col a {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
}

.footer-bottom p:first-child {
    margin-bottom: var(--space-sm);
    color: var(--color-ink-muted);
}

.footer-disclaimer {
    font-size: 0.75rem;
    max-width: 600px;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .step,
    .testimonial {
        animation: fadeUp 0.6s ease both;
    }
    
    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
    .feature-card:nth-child(4) { animation-delay: 0.4s; }
    
    .step:nth-child(1) { animation-delay: 0.1s; }
    .step:nth-child(3) { animation-delay: 0.2s; }
    .step:nth-child(5) { animation-delay: 0.3s; }
    
    .testimonial:nth-child(1) { animation-delay: 0.1s; }
    .testimonial:nth-child(2) { animation-delay: 0.2s; }
    .testimonial:nth-child(3) { animation-delay: 0.3s; }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .header,
    .hero-bg,
    .cta-form,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .section {
        padding: 1rem 0;
    }
}