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

:root {
    /* Minimal color palette */
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F9FAFB;
    --color-border: #E5E7EB;
    --color-accent: #0B5FFF;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: auto;
    max-width: 95%;
    transition: all 0.3s ease;
}

.nav.scrolled {
    top: 1rem;
}

.nav.scrolled .nav-content {
    min-width: auto;
    padding: 0.5rem 1.25rem;
    gap: var(--spacing-xs);
}

.nav.scrolled .nav-links a:not(.btn-demo) {
    max-width: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.nav.scrolled .nav-brand {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    padding-right: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.nav.scrolled .nav-brand::before {
    font-size: 1.25rem;
}

.nav.scrolled .btn-demo {
    padding: 0.55rem 1.9rem;
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-xs);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-text);
    padding: 0.875rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    gap: var(--spacing-lg);
    min-width: 800px;
    transition: all 0.3s ease;
}

.nav-brand {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-bg);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-right: var(--spacing-md);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-brand::before {
    content: '◉';
    font-size: 1.5rem;
}

.by-text {
    font-size: var(--font-size-sm);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    margin-left: 0;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-base);
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-links a::after {
    display: none;
}

.btn-demo {
    padding: 0.55rem 1.9rem; /* match scrolled size */
    background: var(--color-bg);
    color: var(--color-text) !important;
    border-radius: 50px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.1;
    transition: all 0.25s ease;
    margin-left: var(--spacing-sm);
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.btn-demo:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.hero-logo {
    width: 100%;
    max-width: 600px;
    height: auto;
    filter: grayscale(0%);
}

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

.hero-headline {
    font-size: var(--font-size-4xl);
    font-weight: 300;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

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

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

.btn-secondary:hover {
    border-color: var(--color-text);
    transform: translateY(-2px);
}

/* Trust Cues */
.trust-cues {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Marquee */
.marquee {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.marquee-content {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 400;
}

/* Value Pillars */
.pillars {
    padding: var(--spacing-xl) 0;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.pillar-card {
    text-align: center;
    padding: var(--spacing-md);
}

.pillar-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-weight: 300;
}

.pillar-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.pillar-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.7;
    font-weight: 300;
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

/* Feature Flow */
.feature-flow {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.flow-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-md);
    overflow-x: auto;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 120px;
}

.flow-dot {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    background: var(--color-bg);
    position: relative;
    box-shadow: 0 2px 6px rgba(11,95,255,0.15);
}

.flow-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.flow-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border), rgba(11,95,255,0.35));
    margin: 0 var(--spacing-xs);
}

.flow-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-align: center;
    white-space: nowrap;
    font-weight: 400;
}

.flow-step:hover .flow-dot {
    border-color: var(--color-accent);
    background: rgba(11,95,255,0.06);
}

.flow-step:hover .flow-label {
    color: var(--color-accent);
}

/* Modules */
.modules {
    padding: var(--spacing-xl) 0;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.module-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all 0.3s;
    background: var(--color-bg);
}

.module-card:hover {
    border-color: var(--color-text);
    transform: translateY(-4px);
}

.module-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.module-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.module-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Customization Banner */
.customization-banner {
    padding: var(--spacing-xl) 0;
    background: var(--color-text);
    color: var(--color-bg);
    text-align: center;
}

.banner-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.banner-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
    font-weight: 300;
}

.customization-banner .btn-primary {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-bg);
}

.customization-banner .btn-primary:hover {
    background: var(--color-bg-alt);
    transform: translateY(-2px);
}

/* Integrations */
.integrations {
    padding: var(--spacing-xl) 0;
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.integration-item {
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: all 0.2s;
    font-weight: 400;
}

.integration-item:hover {
    border-color: var(--color-text);
}

/* Pricing Teaser */
.pricing-teaser {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-bg-alt);
}

.pricing-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

/* Final CTA */
.final-cta {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.final-cta h2 {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.footer-col a {
    display: block;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    transition: color 0.2s;
    font-weight: 300;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-headline {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subheadline {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .nav {
        top: 1rem;
        left: 1rem;
        right: 1rem;
        transform: none;
        width: auto;
    }
    
    .nav-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: 1rem;
        border-radius: 20px;
    }
    
    .nav-brand {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding-right: 0;
        padding-bottom: var(--spacing-sm);
        width: 100%;
        justify-content: center;
    }
    
    .nav-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .nav-links a {
        text-align: center;
    }
    
    .btn-demo {
        width: 100%;
        margin-left: 0;
        text-align: center;
    }
    
    .flow-timeline {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .flow-line {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-logo,
.hero-content {
    animation: fadeIn 0.8s ease-out;
}

.pillar-card,
.module-card {
    animation: fadeIn 0.8s ease-out;
    animation-fill-mode: both;
}

.pillar-card:nth-child(1) { animation-delay: 0.1s; }
.pillar-card:nth-child(2) { animation-delay: 0.2s; }
.pillar-card:nth-child(3) { animation-delay: 0.3s; }
.pillar-card:nth-child(4) { animation-delay: 0.4s; }